Allometric equations for estimating standing biomass of Avicennia marina in Bushehr of Iran Abstract: Today, it is important to use of ecological indicators, such as biomass for recognizing the special status of ecosystems, such as mangrove forests and also monitoring and evaluating changes through a specific period. Because using the direct method of evaluating biomass would be destructive, it is common in all similar area to use determine exact Allometric equations by using the statistical relationship between the structural characteristics of trees and their biomass and use these equations to estimate the biomass of trees. The aim of this study is estimate the aboveground biomass of mangroves and determine Allometric models for Nayband area in Bushehr, located in southern Iran. A number of mangrove trees were randomly selected. Collar diameter, crown diameter and tree height of standing trees were measured. After logging and weighing fresh weight, dry weight, trunk and branches were obtained in laboratory and biomass of components was calculated. The relationship between quantities feature of trees and biomass for determination of allometric equation was studied by using linear, power and exponential regression. The equations were compared with each other based on the different modeling parameters. The highest significant correlation was found between crown diameters and dry weight (R > 0.90). The best equations were obtained by means of an exponential and power regression models (R2adj> 0.90). The models were obtained from explained factor, suggests that there might be a relationship between the characteristics of mangrove trees and biomass. Keywords: Biomass, mangrove, modeling, Iran Iran Busehr Eyaletinde Avicennia marina biyokutle tahmini icin allometrik denklemlerin kullanimi Ozet: Gunumuzde; subasar ormanlari gibi ozel yapidaki ekosistemlerin arastirilmasi icin biyokutle gibi bazi ekolojik gostergelerin kullanilmasi onemlidir. Biyokutlenin hesaplanmasinda dogrudan metodlarin kullanilmasi yikici sonuclar doguracagindan, agaclarin yapisal ozellikleri ve biyokutle arasindaki istatistiki iliskiye dayanan kesin Allometrik denklemleri kullanarak biyokutleyi tahmin etmek yaygin bir sekilde uygulanmaktadir. Bu calismanin amaci, Iran'in guneyinde yer alan Busehr Eyaleti Nayband bolgesi'ndeki subasar ormanlari yerustu biyokutle miktarinin Allometrik yontemlerle belirlenmesidir. Subasar ormanlarinda agaclar rastgele secilmis, bu agaclarin boyu, gogus capi ve tac genislikleri olculmustur. Kesilen agaclarin taze ve kuru agirliklari olculerek govde ve dallari biyokutlelerinin hesaplanmasi icin laboratuvara tasinmistir. Uygun allometrik denklemin belirlenmesi icin agaclarin ozelligi ve biyokutle arasindaki iliski dogrusal, guc ve ustel regresyon kullanilarak incelenmistir. Denklemler farkli modelleme parametrelerine dayanarak birbirleriyle karsilastirilmistir. En yuksek anlamli iliski tac caplari ve kuru agirlik (R> 0.90) arasinda bulunmustur. En iyi
摘要:目前，利用生物量等生态指标来识别红树林等生态系统的特殊状况，并监测和评估特定时期的变化是非常重要的。由于直接估算生物量的方法具有破坏性，因此在所有类似的地区，利用树木结构特征与生物量之间的统计关系确定精确的异速生长方程，并利用这些方程来估算树木的生物量是很常见的。本研究的目的是估算位于伊朗南部Bushehr的Nayband地区红树林的地上生物量并确定异速生长模型。随机选择了一些红树林。测定了立木的颈径、冠径和树高。经室内采伐、称量后得到鲜重、干重、干枝，并计算各组分生物量。采用线性回归、幂回归和指数回归等方法，研究了树木数量特征与生物量之间的关系，确定了异速生长方程。在不同的建模参数下，对方程进行了比较。冠径与干重的相关性最高(R = 0.90)。采用指数回归模型和幂回归模型(R2adj> 0.90)得到了最佳方程。这些模型是由解释因子得到的，表明红树林树木的特征与生物量之间可能存在一定的关系。关键词:生物量，红树林，建模，伊朗伊朗Busehr Eyaletinde Avicennia marina biyokutle tahmini icin allometrik denklemlerin kullanimi Ozet;subasar ormanlari gibi ozel yapidaki ekosistemlerin arastirilmasi icin biyokutle gibi坝子ekolojik gostergelerin kullanilmasi onemlidir。biyokut列宁，他的计划，他的理论，他的理论，他的理论，他的理论，他的理论，他的理论，他的理论，他的理论，他的理论，他的理论，他的理论。但是，在阿玛西，伊朗的一名枪手在一份声明中说:“我认为这是对的，我认为这是对的。”龙舌兰属植物，但龙舌兰属植物属植物，属植物属植物。在实验室中，研究人员研究了两种不同浓度的琼脂素在不同浓度的琼脂素中所起的作用。维吾尔族异速生殖系统的基因突变有:基因突变、基因突变、基因突变、基因突变、基因突变、基因突变、基因突变等。Denklemler farkli模型，参数化，参数化。在此基础上，研究人员提出了一种新的研究方法，即在不同的条件下研究不同的生物多样性。eniyi denklemler使用了一种回归模型(r2 = 0.90)，并对其进行了分析。Aciklanan gerekcelere dayanilarak kullanilan en uugun建模器;亚basar或manlarda是由agaclarin karakteristitiklei和biyokuelasini组成的。收稿(英文):15.11.2015 -修稿(英文):29.12.2015 -收稿(英文):01.02.2016引用(英文):Ghasemi, A.， Fallah, A.， Joibary, s .， 2016。估算伊朗布什尔地区Avicennia marina林分生物量的异速生长方程。伊斯坦布尔大学林业学院学报，66(2):691-697。DOI: 10.17099 / jffiu.23699
{"title":"Allometric equations for estimating standing biomass of Avicennia marina in Bushehr of Iran","authors":"A. Ghasemi, A. Fallah, Shaban Shattaii Joibary","doi":"10.17099/JFFIU.23699","DOIUrl":"https://doi.org/10.17099/JFFIU.23699","url":null,"abstract":"Allometric equations for estimating standing biomass of Avicennia marina in Bushehr of Iran Abstract: Today, it is important to use of ecological indicators, such as biomass for recognizing the special status of ecosystems, such as mangrove forests and also monitoring and evaluating changes through a specific period. Because using the direct method of evaluating biomass would be destructive, it is common in all similar area to use determine exact Allometric equations by using the statistical relationship between the structural characteristics of trees and their biomass and use these equations to estimate the biomass of trees. The aim of this study is estimate the aboveground biomass of mangroves and determine Allometric models for Nayband area in Bushehr, located in southern Iran. A number of mangrove trees were randomly selected. Collar diameter, crown diameter and tree height of standing trees were measured. After logging and weighing fresh weight, dry weight, trunk and branches were obtained in laboratory and biomass of components was calculated. The relationship between quantities feature of trees and biomass for determination of allometric equation was studied by using linear, power and exponential regression. The equations were compared with each other based on the different modeling parameters. The highest significant correlation was found between crown diameters and dry weight (R > 0.90). The best equations were obtained by means of an exponential and power regression models (R2adj> 0.90). The models were obtained from explained factor, suggests that there might be a relationship between the characteristics of mangrove trees and biomass. Keywords: Biomass, mangrove, modeling, Iran Iran Busehr Eyaletinde Avicennia marina biyokutle tahmini icin allometrik denklemlerin kullanimi Ozet: Gunumuzde; subasar ormanlari gibi ozel yapidaki ekosistemlerin arastirilmasi icin biyokutle gibi bazi ekolojik gostergelerin kullanilmasi onemlidir. Biyokutlenin hesaplanmasinda dogrudan metodlarin kullanilmasi yikici sonuclar doguracagindan, agaclarin yapisal ozellikleri ve biyokutle arasindaki istatistiki iliskiye dayanan kesin Allometrik denklemleri kullanarak biyokutleyi tahmin etmek yaygin bir sekilde uygulanmaktadir. Bu calismanin amaci, Iran'in guneyinde yer alan Busehr Eyaleti Nayband bolgesi'ndeki subasar ormanlari yerustu biyokutle miktarinin Allometrik yontemlerle belirlenmesidir. Subasar ormanlarinda agaclar rastgele secilmis, bu agaclarin boyu, gogus capi ve tac genislikleri olculmustur. Kesilen agaclarin taze ve kuru agirliklari olculerek govde ve dallari biyokutlelerinin hesaplanmasi icin laboratuvara tasinmistir. Uygun allometrik denklemin belirlenmesi icin agaclarin ozelligi ve biyokutle arasindaki iliski dogrusal, guc ve ustel regresyon kullanilarak incelenmistir. Denklemler farkli modelleme parametrelerine dayanarak birbirleriyle karsilastirilmistir. En yuksek anlamli iliski tac caplari ve kuru agirlik (R> 0.90) arasinda bulunmustur. En iyi ","PeriodicalId":17682,"journal":{"name":"Journal of the Faculty of Forestry Istanbul University","volume":"13 1","pages":"691-697"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81561790","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ecophysiological variation of European hornbeams along the foliation period in semi-rural recreational forest landscape Abstract: Determination of the ecophysiological characteristics of deciduous trees in the recreational areas allows construction of planning objectives particularly for the urban forests. Analysis of a multipurpose vegetation parameter; LAI (Leaf Area Index) together with some meteorological variables supplies to an extent the comprehension of those ecophysiological characteristics. Around this scope, the LAI dynamics of Carpinus betulus L. trees in a recreational area were monitored and analyzed along the foliation period of approximately three months. The mean LAI which was only 0.80 during the budburst stage gradually escalated reaching 1.49 after the flushing stage. The increment of the leaves in size and numbers led to the mean LAI achieve its climax with 3.41 in early May. Then, the mean LAI experienced a stable period until the end of May. The change in the mean LAI were subjected to correlation test especially with the air and soil temperatures. The correlations between the mean LAI and, in particular the soil temperature (r≥0.95) and air temperature were high and significant (P<0.01). There were no definite correlation between the mean LAI and mean sunlight duration, air humidity and total precipitation. Impact of air temperature on the LAI of Carpinus betulus L. trees indicates the vulnerability of the recreational area to possible urban heat oriented climate warming. On the other hand, the influence of soil temperature on the mean LAI warns the susceptibility of the recreational area to possible anthropogenic pressure resulting in soil compaction and regeneration difficulties. Consequently, sustainable management of this recreational area necessitates the anticipation and mitigation of these possible destructions. Keywords: Carpinus betulus L., recreational area, canopy architecture, Leaf Area Index (LAI), hemispherical photographs. Yari-kirsal rekreasyonel orman peyzajinda yapraklanma donemi boyunca Avrupa gurgeninin ekofizyolojik degisimi Ozet: Rekreasyon alanlarinda bulunan yaprak doken agaclarinn ekofizyolojik ozelliklerinin tespit edilmesi, bilhassa kent ormanlari icin planlama hedeflerinin tesis edilmesine imkân sunar. Cok amacli bir bitki ortusu gostergesi olan YAI’nin (Yaprak Alan Indisi) bazi meteorolojik degiskenlerle birlikte analiz edilmesi bu ekofizyolojik ozelliklerin bir nebze anlasilmasina yardim eder. Bu cercevede, bir rekreasyon alaninda bulunan Carpinus betulus L. agaclarinin YAI dinamikleri, yaklasik uc ay suren yapraklanma donemi boyunca izlenmis ve analiz edilmistir. Tomurcuklanma doneminde sadece 0.80 olan ortalama YAI, kademeli olarak artarak yaprak verme doneminden sonra 1.49’a ulasmistir. Yapraklarin boyut ve sayilarindaki artis, ortalama YAI’nin 3.41 ile Mayis basinda zirvesine ulasmasina neden olmustur. Daha sonra ortalama YAI, Mayis sonuna kadar sabit bir donem gecirmistir. YAI’deki degisi
摘要:游憩区落叶乔木生态生理特征的确定为城市森林规划目标的制定提供了依据。多用途植被参数分析叶面积指数(LAI)和一些气象变量在一定程度上提供了对这些生理生态特性的理解。在此范围内，对休闲区桦树叶面积指数(LAI)进行了约3个月的叶期监测和分析。初芽期平均LAI仅为0.80，冲洗期后逐渐上升至1.49。叶片大小和数量的增加导致平均LAI在5月初达到最大值3.41。然后，平均LAI经历了一个稳定的时期，直到5月底。对平均LAI的变化进行了相关性检验，特别是与空气和土壤温度的相关性检验。平均叶面积指数与土壤温度(r≥0.95)和气温呈极显著相关(P<0.01)。平均叶面积指数与平均日照时数、空气湿度和总降水量之间没有明确的相关关系。气温对桦树叶面积指数的影响反映了休闲区对可能的城市热导向气候变暖的脆弱性。另一方面，土壤温度对平均LAI的影响警告了游憩区对可能的人为压力的敏感性，从而导致土壤压实和更新困难。因此，这个休闲区域的可持续管理需要预测和减轻这些可能的破坏。关键词:松柏，休闲区，冠层结构，叶面积指数，半球面照片Yari-kirsal rekreasyonel orman peyzajinda yapraklanma donemi boyunca Avrupa gurgeninin ekofizyolojik ozelliklerinin teespit edilmesi, bilhassa kent ormanlari icin planlama the deflerinin desilmesine imkakilmesine sunar。Cok amacli bir bitki ortusu gostergesi olan YAI 'nin (Yaprak Alan Indisi) bazi meteorolojik degiskenlerle birlikte分析edilmesi但ekofizyolojik ozelliklerin bnebze分析masilina yardim eder。但是，在此基础上，我们分析了两种植物的生长情况:一种是叶青树，一种是叶青树，一种是叶青树，一种是叶青树。Tomurcuklanma doneminden sadece 0.80 olan ortalama YAI, kademeli olarak artarak yaprak verme doneminden sonra 1.49'a ulasmistir。Yapraklarin买了5个sayilarindaki艺术家，ortalama YAI 'nin 3.41和Mayis basinda zirvesine ulasmasina需要的olmusur。Daha sonra ortalama YAI, Mayis的sonuna kadar sabit是一名高级官员。雅德基的专制主义，也就是所谓的“专制主义”，也就是所谓的“专制主义”。Ortalama YAI、hususen toprak、sicakligi、olmak、uzi (r≥0.95)、siakligi (r≥0.84)、yuksek (P<0.01)、korelaslar (P<0.01)。我的朋友们，我的朋友们，我的朋友们，我的朋友们，我的朋友们，我的朋友们，我的朋友们，我的朋友们。有木脂素、松茸素、松茸素、松茸素、松茸素、松茸素、松茸素、松茸素、松茸素、松茸素等。黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪、黄芪。但是，对丙氨酸酶的抑制作用使其产生了一种特殊的酶促反应，这种酶促反应使其产生一种特殊的酶促反应。ananhtar Kelimeler: Carpinus betulus L.， rekreasyon alani, tepe catisi mimarisi, Yaprak Alan Indisi (YAI)， yarikure fotograflar .收稿(Gelis): 09.01.2016 -修稿(Duzeltme): 22.01.2016 -收稿(Kabul): 01.02.2016引用(Atif): Ozturk, M.， Gokyer, E.， Dogan, I.A, 2016。半乡村游憩林景观中欧洲角梁叶理期生态生理变化。伊斯坦布尔大学林业学院学报，66(2):xxx-xxx。DOI: 10.17099 / jffiu.xxxxx
{"title":"Ecophysiological variation of European Hornbeams along the foliation period in semi-rural recreational forest landscape","authors":"M. Öztürk, E. Gökyer, I. Dogan","doi":"10.17099/JFFIU.94437","DOIUrl":"https://doi.org/10.17099/JFFIU.94437","url":null,"abstract":"Ecophysiological variation of European hornbeams along the foliation period in semi-rural recreational forest landscape Abstract: Determination of the ecophysiological characteristics of deciduous trees in the recreational areas allows construction of planning objectives particularly for the urban forests. Analysis of a multipurpose vegetation parameter; LAI (Leaf Area Index) together with some meteorological variables supplies to an extent the comprehension of those ecophysiological characteristics. Around this scope, the LAI dynamics of Carpinus betulus L. trees in a recreational area were monitored and analyzed along the foliation period of approximately three months. The mean LAI which was only 0.80 during the budburst stage gradually escalated reaching 1.49 after the flushing stage. The increment of the leaves in size and numbers led to the mean LAI achieve its climax with 3.41 in early May. Then, the mean LAI experienced a stable period until the end of May. The change in the mean LAI were subjected to correlation test especially with the air and soil temperatures. The correlations between the mean LAI and, in particular the soil temperature (r≥0.95) and air temperature were high and significant (P<0.01). There were no definite correlation between the mean LAI and mean sunlight duration, air humidity and total precipitation. Impact of air temperature on the LAI of Carpinus betulus L. trees indicates the vulnerability of the recreational area to possible urban heat oriented climate warming. On the other hand, the influence of soil temperature on the mean LAI warns the susceptibility of the recreational area to possible anthropogenic pressure resulting in soil compaction and regeneration difficulties. Consequently, sustainable management of this recreational area necessitates the anticipation and mitigation of these possible destructions. Keywords: Carpinus betulus L., recreational area, canopy architecture, Leaf Area Index (LAI), hemispherical photographs. Yari-kirsal rekreasyonel orman peyzajinda yapraklanma donemi boyunca Avrupa gurgeninin ekofizyolojik degisimi Ozet: Rekreasyon alanlarinda bulunan yaprak doken agaclarinn ekofizyolojik ozelliklerinin tespit edilmesi, bilhassa kent ormanlari icin planlama hedeflerinin tesis edilmesine imkân sunar. Cok amacli bir bitki ortusu gostergesi olan YAI’nin (Yaprak Alan Indisi) bazi meteorolojik degiskenlerle birlikte analiz edilmesi bu ekofizyolojik ozelliklerin bir nebze anlasilmasina yardim eder. Bu cercevede, bir rekreasyon alaninda bulunan Carpinus betulus L. agaclarinin YAI dinamikleri, yaklasik uc ay suren yapraklanma donemi boyunca izlenmis ve analiz edilmistir. Tomurcuklanma doneminde sadece 0.80 olan ortalama YAI, kademeli olarak artarak yaprak verme doneminden sonra 1.49’a ulasmistir. Yapraklarin boyut ve sayilarindaki artis, ortalama YAI’nin 3.41 ile Mayis basinda zirvesine ulasmasina neden olmustur. Daha sonra ortalama YAI, Mayis sonuna kadar sabit bir donem gecirmistir. YAI’deki degisi","PeriodicalId":17682,"journal":{"name":"Journal of the Faculty of Forestry Istanbul University","volume":"31 1","pages":"628-635"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89590112","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Turkiye’de yetisen bazi agac turlerinin sahip olduklari Fiziko-mekanik degerler esas alinarak mevcut ya da olusturulmus bulunan sinif gruplarina dagilimi yapilmistir. Siniflandirmada genelde belirlenmis olan fiziksel ozelliklerden hava kurusu % 12-15 yogunluk, daralma, mekanik ozelliklerden egilme direnci, egilmede elastikiyet modulu, dinamik egilme, basinc, cekme, yarilma, makaslama direncleri ve sertlik degerleri dikkate alinmistir.
{"title":"Classification of wood species grown in Turkey according to some physico-mechanic properties","authors":"N. As, Türker Dündar, Ümit Büyüksarı","doi":"10.17099/JFFIU.93670","DOIUrl":"https://doi.org/10.17099/JFFIU.93670","url":null,"abstract":"Turkiye’de yetisen bazi agac turlerinin sahip olduklari Fiziko-mekanik degerler esas alinarak mevcut ya da olusturulmus bulunan sinif gruplarina dagilimi yapilmistir. Siniflandirmada genelde belirlenmis olan fiziksel ozelliklerden hava kurusu % 12-15 yogunluk, daralma, mekanik ozelliklerden egilme direnci, egilmede elastikiyet modulu, dinamik egilme, basinc, cekme, yarilma, makaslama direncleri ve sertlik degerleri dikkate alinmistir.","PeriodicalId":17682,"journal":{"name":"Journal of the Faculty of Forestry Istanbul University","volume":"60 1","pages":"727-735"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91252595","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Arazi kullanim degisim haritalamasi, cevrenin etkin izlenmesi ve yonetiminde temel gereksinimlerden biridir. Cesitli degisim tespit yaklasimlari onerilip kullanilmasina ragmen, eski deneyimler her bir metodun kendine ait bir avantaji oldugunu gosteriyor. En iyi yaklasimi secmek onemli ve zorlu bir istir. Spektral/konumsal kriterlerin entegrasyonu iyi sonuclar vermektedir. Bu calismada, degisim tespiti analizi icin, Zanjan sehrinin 1985 ve 2010 yillarinda alinan Landsat Thematic Mapper (TM®) tasviri kullanilmistir. Degisimleri haritalamak icin, spektral/konumsal kriterler Fuzzy Analytical Hierarchy Process (FAHP) kullanilarak farkli agirliklarla entegre edilmistir. Sonuclar, FAHP metodlarinin genellikle spektral/konumsal kriterlere gore daha yuksek dogrulukla sonuclandigini gostermistir. Onerilen semivariogram ozellikleri daha iyi, erken ve otomatik degisim tespiti performansina sahiptir. Konumsal bilgi kullanilirken hem eksiklik hem de komisyon hatalari onemli olcude azalmistir. Ayrica tek bir ayri metodun secilmesinden kaynaklanan belirsizlik FAHP metodu kulanildiginda azalmaktadir. Bu metodun, bir yandan ayni konumsal karakteristiklerine ve diger yandan farkli doku karakteristiklerine sahip olan iki tasvirin de degisim tespiti icin yaygin bicimde kullanilmasi muhtemel gorunmektedir.
{"title":"Integration of remotely sensed spatial and spectral information for change detection using FAHP","authors":"V. Eisavi, Saeid Homayouni, J. Karami","doi":"10.17099/JFFIU.90466","DOIUrl":"https://doi.org/10.17099/JFFIU.90466","url":null,"abstract":"Arazi kullanim degisim haritalamasi, cevrenin etkin izlenmesi ve yonetiminde temel gereksinimlerden biridir. Cesitli degisim tespit yaklasimlari onerilip kullanilmasina ragmen, eski deneyimler her bir metodun kendine ait bir avantaji oldugunu gosteriyor. En iyi yaklasimi secmek onemli ve zorlu bir istir. Spektral/konumsal kriterlerin entegrasyonu iyi sonuclar vermektedir. Bu calismada, degisim tespiti analizi icin, Zanjan sehrinin 1985 ve 2010 yillarinda alinan Landsat Thematic Mapper (TM®) tasviri kullanilmistir. Degisimleri haritalamak icin, spektral/konumsal kriterler Fuzzy Analytical Hierarchy Process (FAHP) kullanilarak farkli agirliklarla entegre edilmistir. Sonuclar, FAHP metodlarinin genellikle spektral/konumsal kriterlere gore daha yuksek dogrulukla sonuclandigini gostermistir. Onerilen semivariogram ozellikleri daha iyi, erken ve otomatik degisim tespiti performansina sahiptir. Konumsal bilgi kullanilirken hem eksiklik hem de komisyon hatalari onemli olcude azalmistir. Ayrica tek bir ayri metodun secilmesinden kaynaklanan belirsizlik FAHP metodu kulanildiginda azalmaktadir. Bu metodun, bir yandan ayni konumsal karakteristiklerine ve diger yandan farkli doku karakteristiklerine sahip olan iki tasvirin de degisim tespiti icin yaygin bicimde kullanilmasi muhtemel gorunmektedir.","PeriodicalId":17682,"journal":{"name":"Journal of the Faculty of Forestry Istanbul University","volume":"67 1","pages":"524-538"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80014007","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Akbarimehr, S. A. Hosseini, S. M. Hodjati, F. Shariati
Yol yapimi ve surutme gibi orman yonetimi uygulamalari buyuk olcude suyun kalitesini degistirebilir. Bu arastirmanin ana bakis acisi, surutme faaliyetleriyle gecirilen zamanin akarsu su kalite parametreleri uzerine etkisidir. Alti adet menfez, bu calisma icin kalici mesafeli yollarda uc tekrarlamali olarak uygulanmistir. Su ornekleri siselenerek toplanmistir. Butun ornekler soguk muhafaza edilerek; toplam askida kati madde (AKM), NO3 - ve PO4 -3 icin analiz edilmistir. T-testi sonuclari NO3 - ve PO4 -3 konsantrasyonlarinin anlamli derecede yuksek degerlerde (p
{"title":"Analysis of changes in stream water chemistry following forest management practices in Darabkola forest","authors":"M. Akbarimehr, S. A. Hosseini, S. M. Hodjati, F. Shariati","doi":"10.17099/JFFIU.52768","DOIUrl":"https://doi.org/10.17099/JFFIU.52768","url":null,"abstract":"Yol yapimi ve surutme gibi orman yonetimi uygulamalari buyuk olcude suyun kalitesini degistirebilir. Bu arastirmanin ana bakis acisi, surutme faaliyetleriyle gecirilen zamanin akarsu su kalite parametreleri uzerine etkisidir. Alti adet menfez, bu calisma icin kalici mesafeli yollarda uc tekrarlamali olarak uygulanmistir. Su ornekleri siselenerek toplanmistir. Butun ornekler soguk muhafaza edilerek; toplam askida kati madde (AKM), NO3 - ve PO4 -3 icin analiz edilmistir. T-testi sonuclari NO3 - ve PO4 -3 konsantrasyonlarinin anlamli derecede yuksek degerlerde (p","PeriodicalId":17682,"journal":{"name":"Journal of the Faculty of Forestry Istanbul University","volume":"12 1","pages":"539-547"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77957041","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bu calismada, Thaumetopoea wilkinsoni Tams (Lepidoptera: Notodontidae)’nin yumurta paketlerinin yapisi, tirtil cikisi, parazitlenme oranlari ile yumurta parazitoidleri ve bocegin bazi yumurta birakma davranislari arastirilmistir. Isparta’da 16 cam ormanindan bu bocegin 654 adet yumurta kocani toplanmistir. Kocan basina ortalama yumurta sayisi 221.2, tirtil cikis orani % 80.0 ve parazitlenme orani % 13.8 olmustur. Alt, orta ve ust yukselti basamaklarinda ortalama yumurta sayisi sirasiyla 208.1, 223.3 ve 226.7, tirtil cikis orani % 73.3, % 82.6, % 85.3 ve parazitlenme orani da %
{"title":"Egg laying patterns and structure of egg-batches of pine processionary moth Thaumetopoea wilkinsoni in Isparta pine forests","authors":"M. Avcı, Sefa Gizem Ölmez","doi":"10.17099/JFFIU.91821","DOIUrl":"https://doi.org/10.17099/JFFIU.91821","url":null,"abstract":"Bu calismada, Thaumetopoea wilkinsoni Tams (Lepidoptera: Notodontidae)’nin yumurta paketlerinin yapisi, tirtil cikisi, parazitlenme oranlari ile yumurta parazitoidleri ve bocegin bazi yumurta birakma davranislari arastirilmistir. Isparta’da 16 cam ormanindan bu bocegin 654 adet yumurta kocani toplanmistir. Kocan basina ortalama yumurta sayisi 221.2, tirtil cikis orani % 80.0 ve parazitlenme orani % 13.8 olmustur. Alt, orta ve ust yukselti basamaklarinda ortalama yumurta sayisi sirasiyla 208.1, 223.3 ve 226.7, tirtil cikis orani % 73.3, % 82.6, % 85.3 ve parazitlenme orani da %","PeriodicalId":17682,"journal":{"name":"Journal of the Faculty of Forestry Istanbul University","volume":"275 1","pages":"613-627"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80017685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Orman ekosistemlerindeki toprak eklembacaklilari (Arthropoda), olu ortunun parcalanmasi ve ayrismasi surecinde, birincil ve ikincil tuketiciler olarak onemli rol almaktadir. Toprak ekosistemindeki eklembacaklilarin miktari, cesitliligi ve toplum yapisi; yetisme ortami ozelliklerinin degisimine cok hizli tepki vermektedir. Bu calismada, ulkemizin onemli orman agac turlerinden olan, Uludag Goknari (Abies nordmanniana subsp. bornmulleriana Mattf.) ekosistemindeki, orman zemininde yasayan toprak eklembacaklilarinin farkli yukseltilerde mevsimsel degisiminin ortaya konmasi amaclanmistir. Calisma, Bolu Aladag ormanlarinda, 1200-1600 metre yukseltiler arasindaki (4 yukselti basamagi halinde) saf goknar mescerelerinde yurutulmustur. Olu ortuden cukur tuzaklar kullanilarak yapilan ornekleme kis, bahar, yaz ve guz mevsimlerinde birer kez yapilmistir. Eklembacaklilarin miktar ve cesitliliginin; mevsim ve yukseltiye bagli degisimleri degerlendirilerek, beslenme tiplerine dagilimlari ve biyolojik cesitlilikleri de saptanmistir. Calisma sonucunda, eklembacaklilarin mevsimlere gore dagiliminda en fazla birey yaz mevsiminde (7576 birey/m²), yukseltiye bagli dagiliminda ise en fazla birey 1200 m yukseltide (7854 birey/m²) bulunmustur. Ortalama ShannonWiener Indeksi (H′)=2,22 ve Taksonomik Zenginlik (S′)=22 olarak belirlenmistir.
{"title":"The seasonal variation of arthropods living on forest soil at different altitudes in fir (Abies nordmanniana subsp. bornmulleriana) ecosystem in Bolu-Aladağ","authors":"A. Duyar, E. Makineci","doi":"10.17099/JFFIU.06075","DOIUrl":"https://doi.org/10.17099/JFFIU.06075","url":null,"abstract":"Orman ekosistemlerindeki toprak eklembacaklilari (Arthropoda), olu ortunun parcalanmasi ve ayrismasi surecinde, birincil ve ikincil tuketiciler olarak onemli rol almaktadir. Toprak ekosistemindeki eklembacaklilarin miktari, cesitliligi ve toplum yapisi; yetisme ortami ozelliklerinin degisimine cok hizli tepki vermektedir. Bu calismada, ulkemizin onemli orman agac turlerinden olan, Uludag Goknari (Abies nordmanniana subsp. bornmulleriana Mattf.) ekosistemindeki, orman zemininde yasayan toprak eklembacaklilarinin farkli yukseltilerde mevsimsel degisiminin ortaya konmasi amaclanmistir. Calisma, Bolu Aladag ormanlarinda, 1200-1600 metre yukseltiler arasindaki (4 yukselti basamagi halinde) saf goknar mescerelerinde yurutulmustur. Olu ortuden cukur tuzaklar kullanilarak yapilan ornekleme kis, bahar, yaz ve guz mevsimlerinde birer kez yapilmistir. Eklembacaklilarin miktar ve cesitliliginin; mevsim ve yukseltiye bagli degisimleri degerlendirilerek, beslenme tiplerine dagilimlari ve biyolojik cesitlilikleri de saptanmistir. Calisma sonucunda, eklembacaklilarin mevsimlere gore dagiliminda en fazla birey yaz mevsiminde (7576 birey/m²), yukseltiye bagli dagiliminda ise en fazla birey 1200 m yukseltide (7854 birey/m²) bulunmustur. Ortalama ShannonWiener Indeksi (H′)=2,22 ve Taksonomik Zenginlik (S′)=22 olarak belirlenmistir.","PeriodicalId":17682,"journal":{"name":"Journal of the Faculty of Forestry Istanbul University","volume":"95 1","pages":"572-586"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86982243","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Forest stand delineation using Ikonos image and object based image analysis Abstract: Together with the developments in satellite technology, it is considered that high resolution satellite data may be used as an alternative source of information to aerial photos in delineation of stand types. The study aims to reveal how detailed one could work to generate the map of stand types which form the basis of forest management plans using IKONOS satellite data. For this purpose, object based classification was applied to satellite image. Firstly, image segments which represent target objects were generated applying image segmentation algorithm to the satellite image. The image segments generated at three different levels according to different scale parameters and homogeneity criteria were classified according to standard nearest-neighbor approach. Classification accuracy was determined using both the stand maps of study area and ground control points. Overall accuracy was calculated as 58% (Kappa=0.54). Accordingly, it was understood that it was not possible to generate a stand map with sufficient accuracy from the IKONOS satellite image using automatic classification. Keywords: Ikonos, forest inventory, image segmentation, object based classification, stand map Ikonos goruntusu ve obje bazli goruntu analizi kullanilarak mescere tiplerinin ayrilmasi Ozet: Uydu teknolojisindeki gelismelerle birlikte yuksek cozunurluklu uydu verilerinin, mescere tipleri ayriminda hava fotograflarinin yerine alternatif bir bilgi kaynagi olarak kullanilabilecegi dusunulmektedir. Calismada, IKONOS uydu verisinden amenajman planlarinin temelini olusturan mescere tipleri haritasini duzenlemek icin ne kadar ayrintiya gidilebileceginin ortaya konulmasi amaclanmistir. Bunun icin uydu goruntusune obje bazli siniflandirma islemi uygulanmistir. Uydu goruntusune oncelikle goruntu dilimleme islmei uygulanarak, hedef objeleri temsil edecek goruntu dilimleri olusturulmustur. Farkli olcek parametreleri ve homojenlik kriterlerine gore uc farkli seviyede olusturulan goruntu dilimleri, standart en yakin komsu yaklasimina gore siniflandirilmistir. Siniflandirma sonuclarinin dogruluk degerlendirmesi calisma alanina ait mescere tipleri haritasindan ve arazi calismalari sirasinda alinan denetim noktalarindan faydalanilarak yapilmistir. Mescere tipleri duzeyinde yapilan siniflandirma sonuclarinin toplam dogruluk degeri %55 (Kappa=0.52) olarak hesaplanmistir. Buna gore, IKONOS uydu goruntusunden otomatik siniflandirma ile yeterli dogrulukta mescere tipleri haritasinin uretilmesinin mumkun olmadigi anlasilmistir. Anahtar Kelimeler: Ikonos, orman envanteri, goruntu dilimleme, obje bazli siniflandirma, mescere haritasi Received (Gelis): 11.01.2016 - Revised (Duzeltme): 18.01.2016 - Accepted (Kabul): 22.01.2016 Cite (Atif): Ozkan, U.Y., Yesil, A., 2016. Forest stand delineation using Ikonos image and object based image analysis. Journal of the Faculty of Forestry Istanbul University 66(2): xxx-
{"title":"Forest stand delineation using Ikonos image and object based image analysis","authors":"U. Y. Ozkan, A. Yeşil","doi":"10.17099/JFFIU.95674","DOIUrl":"https://doi.org/10.17099/JFFIU.95674","url":null,"abstract":"Forest stand delineation using Ikonos image and object based image analysis Abstract: Together with the developments in satellite technology, it is considered that high resolution satellite data may be used as an alternative source of information to aerial photos in delineation of stand types. The study aims to reveal how detailed one could work to generate the map of stand types which form the basis of forest management plans using IKONOS satellite data. For this purpose, object based classification was applied to satellite image. Firstly, image segments which represent target objects were generated applying image segmentation algorithm to the satellite image. The image segments generated at three different levels according to different scale parameters and homogeneity criteria were classified according to standard nearest-neighbor approach. Classification accuracy was determined using both the stand maps of study area and ground control points. Overall accuracy was calculated as 58% (Kappa=0.54). Accordingly, it was understood that it was not possible to generate a stand map with sufficient accuracy from the IKONOS satellite image using automatic classification. Keywords: Ikonos, forest inventory, image segmentation, object based classification, stand map Ikonos goruntusu ve obje bazli goruntu analizi kullanilarak mescere tiplerinin ayrilmasi Ozet: Uydu teknolojisindeki gelismelerle birlikte yuksek cozunurluklu uydu verilerinin, mescere tipleri ayriminda hava fotograflarinin yerine alternatif bir bilgi kaynagi olarak kullanilabilecegi dusunulmektedir. Calismada, IKONOS uydu verisinden amenajman planlarinin temelini olusturan mescere tipleri haritasini duzenlemek icin ne kadar ayrintiya gidilebileceginin ortaya konulmasi amaclanmistir. Bunun icin uydu goruntusune obje bazli siniflandirma islemi uygulanmistir. Uydu goruntusune oncelikle goruntu dilimleme islmei uygulanarak, hedef objeleri temsil edecek goruntu dilimleri olusturulmustur. Farkli olcek parametreleri ve homojenlik kriterlerine gore uc farkli seviyede olusturulan goruntu dilimleri, standart en yakin komsu yaklasimina gore siniflandirilmistir. Siniflandirma sonuclarinin dogruluk degerlendirmesi calisma alanina ait mescere tipleri haritasindan ve arazi calismalari sirasinda alinan denetim noktalarindan faydalanilarak yapilmistir. Mescere tipleri duzeyinde yapilan siniflandirma sonuclarinin toplam dogruluk degeri %55 (Kappa=0.52) olarak hesaplanmistir. Buna gore, IKONOS uydu goruntusunden otomatik siniflandirma ile yeterli dogrulukta mescere tipleri haritasinin uretilmesinin mumkun olmadigi anlasilmistir. Anahtar Kelimeler: Ikonos, orman envanteri, goruntu dilimleme, obje bazli siniflandirma, mescere haritasi Received (Gelis): 11.01.2016 - Revised (Duzeltme): 18.01.2016 - Accepted (Kabul): 22.01.2016 Cite (Atif): Ozkan, U.Y., Yesil, A., 2016. Forest stand delineation using Ikonos image and object based image analysis. Journal of the Faculty of Forestry Istanbul University 66(2): xxx-","PeriodicalId":17682,"journal":{"name":"Journal of the Faculty of Forestry Istanbul University","volume":"22 1","pages":"600-612"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83270620","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bu calismada rorippa saplari (Rorippa austriaca) odun lifleriyle farkli oranlarda karistirilarak orta yogunluklu lif levha uretiminde degerlendirilme olanaklari arastirilmistir. Calisma kapsaminda ayrica rorippa saplarinin holoseluloz, α-seluloz, lignin ve kul icerikleri ile alkol-benzen, % 1 NaOH ve sicak-soguk su cozunurlukleri de tespit edilmistir. Bu calismada uretilen tum levhalar egilme dayanimi ve egilmede elastikiyet modulu bakimindan TS 64-5 EN 622 (1999) standartlarina gore incelendiginde yalnizca % 50 oranindaki sap ilavesinin bu standartlari karsilamadigi diger oranlardaki sap ilavesinin ise bu standartlar icerisinde kaldigi gozlemlenmistir. Uretilen tum levhalar levha yuzeyine dik cekme dayanimi bakimindan TS 64-5 EN 622 (1999) standartlarina gore incelendiginde ise yalnizca %5 oranindaki sap ilavesinin bu standartlari karsiladigi tespit edilmistir.
{"title":"Utilization of rorippa stalks (Rorippa austriaca) in the production of medium density fiberboard","authors":"A. Tozluoğlu","doi":"10.17099/JFFIU.67615","DOIUrl":"https://doi.org/10.17099/JFFIU.67615","url":null,"abstract":"Bu calismada rorippa saplari (Rorippa austriaca) odun lifleriyle farkli oranlarda karistirilarak orta yogunluklu lif levha uretiminde degerlendirilme olanaklari arastirilmistir. Calisma kapsaminda ayrica rorippa saplarinin holoseluloz, α-seluloz, lignin ve kul icerikleri ile alkol-benzen, % 1 NaOH ve sicak-soguk su cozunurlukleri de tespit edilmistir. Bu calismada uretilen tum levhalar egilme dayanimi ve egilmede elastikiyet modulu bakimindan TS 64-5 EN 622 (1999) standartlarina gore incelendiginde yalnizca % 50 oranindaki sap ilavesinin bu standartlari karsilamadigi diger oranlardaki sap ilavesinin ise bu standartlar icerisinde kaldigi gozlemlenmistir. Uretilen tum levhalar levha yuzeyine dik cekme dayanimi bakimindan TS 64-5 EN 622 (1999) standartlarina gore incelendiginde ise yalnizca %5 oranindaki sap ilavesinin bu standartlari karsiladigi tespit edilmistir.","PeriodicalId":17682,"journal":{"name":"Journal of the Faculty of Forestry Istanbul University","volume":"48 1","pages":"649-658"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86556518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
G. Çakır, A. Güler, H. Zengin, Ahmet Salih Değermenci
Evaluation of forest management plans in conjunction with the cadastral information: The case of Agva and Beykoz, Istanbul Abstract: Determination of land ownership and boundaries is one of the most important purposes of the urban and rural land laws. There can be some boundary problems while preparing forestry area of any urban area when there is not consistency between the borders constructed by different state organizations like land cadastre, forest cadastre and forest management and planning teams. This study aims to illustrate these conflicts in forestry applications process of two different areas (Agva and Beykoz) having different characteristics. The study was carried out in Agva and Beykoz districts in the province of Istanbul and focused on the integration in the land and forest cadastral systems. The Beykoz and Agva Forest Planning Units have different characteristics in terms of population (urban and rural) and social impacts. Analyses of the data obtained from the field studies which it was utilized for the investigation of the data obtained from various base maps, were carried out using GIS software. Many inhabitants of the villages in the Agva Planning Unit had migrated from the district. Thus, in accordance with Boundary Law number of 6831 part of 2/B some parcels of villages in Agva were determined to be acting forest and were reassigned as forest land. In Beykoz, however, areas of this nature were few and the destruction of the forests was great. The spatial analysis of the study made it possible to remove discrepancies occurring in the cadastral situation by preparing forest management plans. Consequently, if land cadastre and forest cadastre units carry out work in coordination to determine the cadastral situation, a basis for forest management plans can be established and cadastral problems greatly reduced. Keywords: Forestry, forest cadastre, Istanbul, land cadastre, law number 6831, GIS Received (Gelis): 19.01.2016 - Revised (Duzeltme): 01.02.2016 - Accepted (Kabul): 22.02.2016 Cite (Atif): Cakir, G., Guler, A., Zengin, H., Degermenci, A.S., 2016. Evaluation of forest management plans in conjunction with the cadastral information: the case of Agva and Beykoz, Istanbul. Journal of the Faculty of Forestry Istanbul University 66(2): xxx-xxx. DOI: 10.17099/jffiu.xxxxx
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