Pub Date : 2023-01-01DOI: 10.15666/aeer/2103_24172439
D. Gaire, L. Jiang, B. Adhikari, S. Panthi
{"title":"PREDICTING HABITAT SUITABILITY AND THREATS ASSESSMENT OF HIMALAYAN YEW (TAXUS WALLICHIANA ZUCC.) IN NEPAL","authors":"D. Gaire, L. Jiang, B. Adhikari, S. Panthi","doi":"10.15666/aeer/2103_24172439","DOIUrl":"https://doi.org/10.15666/aeer/2103_24172439","url":null,"abstract":"","PeriodicalId":7975,"journal":{"name":"Applied Ecology and Environmental Research","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67129721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.15666/aeer/2101_467480
Y. Zhao, X. Sun, M. Jiang, H.X. Yu, F. Chai
{"title":"SEASONAL DYNAMICS OF ZOOPLANKTON FUNCTIONAL GROUPS IN RELATION TO ENVIRONMENTAL FACTORS IN GENHEYUAN WETLAND OF NORTHEAST CHINA","authors":"Y. Zhao, X. Sun, M. Jiang, H.X. Yu, F. Chai","doi":"10.15666/aeer/2101_467480","DOIUrl":"https://doi.org/10.15666/aeer/2101_467480","url":null,"abstract":"","PeriodicalId":7975,"journal":{"name":"Applied Ecology and Environmental Research","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67120852","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.15666/aeer/2104_33493362
J. Singh, K. Kumar, R. Kumar, S. Sharma
. Polygonatum cirrhifolium (Wall.) Royle and Polygonatum verticillatum (L.) All. are important medicinal herbs of the ‘Ashtavarga group’ of medicinal plants and belongs to the family Asparagaceae. The populations of these species are declining in the natural habitat due to various anthropogenic factors; hence, it is important to know existing status of the species for devising conservation and management plan. Keeping that in view, study was conducted in different geographical locations of Himachal Pradesh during June-September 2019. Nine sites falling in four districts for P. cirrhifolium and 23 sites falling in five districts for P. verticillatum were selected to assess their population status by quadrat method using random sampling and following vertical belt transects approach. The population of the P. cirrhifolium was recorded maximum at Kulang site (Dm -2 = 7.27 ± 10.91, F = 23.33%), and lowest at Shakoli (Dm -2 = 0.43 ± 0.82, F = 13.33%). The value of abundance ranged from 2.89 (Batseri) to 14.25 (Nichar). IVI was found maximum at Kulang (61.72) and the lowest at Shakoli (9.16) site. Whereas population of P. verticillatum was recorded maximum at Hatu (Dm -2 = 8.33 ± 3.43, F = 60%), and lowest at Paneta Khud (Dm -2 = 0.73 ± 1.24, F = 20.0%). The value of abundance ranged from 3.62 (Kothi) to 13.89 (Hatu). Frequency was found maximum at Baghi (66.67%) and lowest at Paneta Khud (20.0%). The Shannon diversity index and IVI was found maximum at Jamathu (0.36 and 91.02) and lowest at Paneta Khad (0.18 and 19.81). Both species were distributed in small populations with low density and frequency and were found geographically isolated.
{"title":"POPULATION ASSESSMENT AND DISTRIBUTION OF POLYGONATUM CIRRHIFOLIUM (WALL.) ROYLE AND POLYGONATUM VERTICILLATUM (L.) ALL. IN HIMACHAL HIMALAYAS, INDIA","authors":"J. Singh, K. Kumar, R. Kumar, S. Sharma","doi":"10.15666/aeer/2104_33493362","DOIUrl":"https://doi.org/10.15666/aeer/2104_33493362","url":null,"abstract":". Polygonatum cirrhifolium (Wall.) Royle and Polygonatum verticillatum (L.) All. are important medicinal herbs of the ‘Ashtavarga group’ of medicinal plants and belongs to the family Asparagaceae. The populations of these species are declining in the natural habitat due to various anthropogenic factors; hence, it is important to know existing status of the species for devising conservation and management plan. Keeping that in view, study was conducted in different geographical locations of Himachal Pradesh during June-September 2019. Nine sites falling in four districts for P. cirrhifolium and 23 sites falling in five districts for P. verticillatum were selected to assess their population status by quadrat method using random sampling and following vertical belt transects approach. The population of the P. cirrhifolium was recorded maximum at Kulang site (Dm -2 = 7.27 ± 10.91, F = 23.33%), and lowest at Shakoli (Dm -2 = 0.43 ± 0.82, F = 13.33%). The value of abundance ranged from 2.89 (Batseri) to 14.25 (Nichar). IVI was found maximum at Kulang (61.72) and the lowest at Shakoli (9.16) site. Whereas population of P. verticillatum was recorded maximum at Hatu (Dm -2 = 8.33 ± 3.43, F = 60%), and lowest at Paneta Khud (Dm -2 = 0.73 ± 1.24, F = 20.0%). The value of abundance ranged from 3.62 (Kothi) to 13.89 (Hatu). Frequency was found maximum at Baghi (66.67%) and lowest at Paneta Khud (20.0%). The Shannon diversity index and IVI was found maximum at Jamathu (0.36 and 91.02) and lowest at Paneta Khad (0.18 and 19.81). Both species were distributed in small populations with low density and frequency and were found geographically isolated.","PeriodicalId":7975,"journal":{"name":"Applied Ecology and Environmental Research","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67132053","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.15666/aeer/2101_623635
C. Hu, C.H. Xu, Guangzhao Hu, Z. Zhang, F. Li, Y. Xie
{"title":"EFFECT OF WATER LEVEL AND SUBMERGENCE TIME ON LEAF GROWTH, STOICHIOMETRY AND HOMEOSTASIS OF CAREX BREVICUSPIS","authors":"C. Hu, C.H. Xu, Guangzhao Hu, Z. Zhang, F. Li, Y. Xie","doi":"10.15666/aeer/2101_623635","DOIUrl":"https://doi.org/10.15666/aeer/2101_623635","url":null,"abstract":"","PeriodicalId":7975,"journal":{"name":"Applied Ecology and Environmental Research","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67125480","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.15666/aeer/2105_44074423
M. JIANG, Z. CHEN, Y. LI, J.Q. WANG, X.P. SHEN
. To study the influences of the physical and chemical properties of different seedling cultivation substrates on the quality and yield of machine-transplanted seedlings in China, seeds of the rice (Oryza sativa L.) variety Yangjing 805 were sown in topsoil (TS), commercial seedling substrate (CS), straw (ST), rice husk (RH) and mushroom residue (MR). Changes in the seedling quality, nutrient content, and grain yield were analyzed. The results showed that the morphological indices and nitrogen metabolism-related enzymatic activities of seedlings treated with TS, CS, and MR were significantly higher than of those treated with ST and RH. The reduction in total N, alkali-hydrolyzed N, and available P was lower under TS and MR than under any other treatment. The highest rice yield was recorded for the MR treatment, with a 28.93% higher yield compared with the ST treatment. Among the seedling morphological indices, stem thickness (R 2 = 0.9604) and shoot dry weight (R 2 = 0.8835) showed the highest correlations with yield, while root length (R 2 = 0.8919) and root surface area (R 2 = 0.9125) were the root indices with maximum values. The variables that showed the closest relationship with seedling quality were bulk density, conductivity, and pH of the growing medium.
{"title":"EFFECTS OF DIFFERENT SEEDLING SUBSTRATES ON SEEDLING QUALITY AND YIELD OF MACHINETRANSPLANTED RICE","authors":"M. JIANG, Z. CHEN, Y. LI, J.Q. WANG, X.P. SHEN","doi":"10.15666/aeer/2105_44074423","DOIUrl":"https://doi.org/10.15666/aeer/2105_44074423","url":null,"abstract":". To study the influences of the physical and chemical properties of different seedling cultivation substrates on the quality and yield of machine-transplanted seedlings in China, seeds of the rice (Oryza sativa L.) variety Yangjing 805 were sown in topsoil (TS), commercial seedling substrate (CS), straw (ST), rice husk (RH) and mushroom residue (MR). Changes in the seedling quality, nutrient content, and grain yield were analyzed. The results showed that the morphological indices and nitrogen metabolism-related enzymatic activities of seedlings treated with TS, CS, and MR were significantly higher than of those treated with ST and RH. The reduction in total N, alkali-hydrolyzed N, and available P was lower under TS and MR than under any other treatment. The highest rice yield was recorded for the MR treatment, with a 28.93% higher yield compared with the ST treatment. Among the seedling morphological indices, stem thickness (R 2 = 0.9604) and shoot dry weight (R 2 = 0.8835) showed the highest correlations with yield, while root length (R 2 = 0.8919) and root surface area (R 2 = 0.9125) were the root indices with maximum values. The variables that showed the closest relationship with seedling quality were bulk density, conductivity, and pH of the growing medium.","PeriodicalId":7975,"journal":{"name":"Applied Ecology and Environmental Research","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136306433","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.15666/aeer/2105_47354744
L. COSKUNTUNA
. Grape seed is a product that is released as waste during the processing of grapes. It is described as ecological damage. Recently, its availability in animal nutrition has been discussed due to the high content of tannins and phenolics contained in it. It is thought that grape seeds can reduce the adverse conditions that occur in the rumen with the high amount of antioxidant properties they contain. This study investigated the effects of grape seed on acidosis and gas production in the rumen under in vitro conditions. The nutritional composition of the present product, in vitro gas production (GP), and the differentiation of gases formed in the rumen (NH 3 , CH 4, and CO 2 ) under acidosis conditions were determined. The pH values of the rumen fluid were measured at the 0, 24, 48, and 96th hours of incubation. Grape seed did not have an effect on rumen pH under normal conditions. However, in the rumen, due to its high amount of antioxidant properties during periods of acidosis, it showed a positive effect on the linear improvement of intra-rumen pH. It was concluded that further studies should be conducted, in which the mechanism of action of grape seed on animals with acidosis was studied.
{"title":"EFFECT OF GRAPE SEED ON ACIDOSIS AND RUMEN GASES IN IN VITRO CONDITIONS","authors":"L. COSKUNTUNA","doi":"10.15666/aeer/2105_47354744","DOIUrl":"https://doi.org/10.15666/aeer/2105_47354744","url":null,"abstract":". Grape seed is a product that is released as waste during the processing of grapes. It is described as ecological damage. Recently, its availability in animal nutrition has been discussed due to the high content of tannins and phenolics contained in it. It is thought that grape seeds can reduce the adverse conditions that occur in the rumen with the high amount of antioxidant properties they contain. This study investigated the effects of grape seed on acidosis and gas production in the rumen under in vitro conditions. The nutritional composition of the present product, in vitro gas production (GP), and the differentiation of gases formed in the rumen (NH 3 , CH 4, and CO 2 ) under acidosis conditions were determined. The pH values of the rumen fluid were measured at the 0, 24, 48, and 96th hours of incubation. Grape seed did not have an effect on rumen pH under normal conditions. However, in the rumen, due to its high amount of antioxidant properties during periods of acidosis, it showed a positive effect on the linear improvement of intra-rumen pH. It was concluded that further studies should be conducted, in which the mechanism of action of grape seed on animals with acidosis was studied.","PeriodicalId":7975,"journal":{"name":"Applied Ecology and Environmental Research","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135007723","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.15666/aeer/2105_38653885
K. AL-JAF, C. OMAR, A. VAZIRY
. This study was carried out to examine the effects of Urtica dioica extract on goat cryopreserved semen quality. The ejaculates of Markhoz goats (n = 12) were collected by an electro-ejaculator. The semen was diluted and supplemented with different concentration of aqueous or hydroalcoholic Urtica dioica extract of aerial or root parts as follows: aerial-aqueous (AA1 5μg/ml , AA2 15μg/ml and AA3 45μg/ml ); aerial-ethanolic (AE1 5μg/ml , AE2 15μg/ml and AE3 45μg/ml ); root aqueous (RA1 5μg/ml , RA2 15μg/ml and RA3 45μg/ml ); root-ethanolic (RE1 5μg/ml , RE 215μg/ml and RE3 45μg/ml ) and control (CCC 0mg/ml ) without additives. After thawing, sperm samples were subjected to viability, acrosome integrity, plasma membrane integrity, motility, sperm chromatin dispersion (SCD) and concentration of malondialdehyde (MDA) assays. Addition of AA1 5μg/ml to the extender significantly (P < 0.05) improved progressive motility, viability, plasma membrane integrity, acrosome integrity, and DNA integrity of the semen samples. Sperm viability and plasma membrane integrity in aqueous extract (both aerial & root parts)-supplemented extenders were relatively higher, as compared to the control. Moreover, a significant decrease in MDA concentration was detected in semen supplemented with Urtica dioica extract treatments. In conclusion, the results indicate that 5μg/ml of aqueous extract of Urtica dioica aerial part improved sperm quality and could be recommended as an additive to the extender for cryopreservation. This study shows a novel approach in goat semen cryopreservation due to the remarkable influence of Urtica dioica on post-thawed sperm parameters.
{"title":"EXCEPTIONAL ANTIOXIDANT EFFECT OF URTICA DIOICA EXTRACT ON MOTILITY AND SOME OTHER POST THAWED GOAT SEMEN CHARACTERISTICS","authors":"K. AL-JAF, C. OMAR, A. VAZIRY","doi":"10.15666/aeer/2105_38653885","DOIUrl":"https://doi.org/10.15666/aeer/2105_38653885","url":null,"abstract":". This study was carried out to examine the effects of Urtica dioica extract on goat cryopreserved semen quality. The ejaculates of Markhoz goats (n = 12) were collected by an electro-ejaculator. The semen was diluted and supplemented with different concentration of aqueous or hydroalcoholic Urtica dioica extract of aerial or root parts as follows: aerial-aqueous (AA1 5μg/ml , AA2 15μg/ml and AA3 45μg/ml ); aerial-ethanolic (AE1 5μg/ml , AE2 15μg/ml and AE3 45μg/ml ); root aqueous (RA1 5μg/ml , RA2 15μg/ml and RA3 45μg/ml ); root-ethanolic (RE1 5μg/ml , RE 215μg/ml and RE3 45μg/ml ) and control (CCC 0mg/ml ) without additives. After thawing, sperm samples were subjected to viability, acrosome integrity, plasma membrane integrity, motility, sperm chromatin dispersion (SCD) and concentration of malondialdehyde (MDA) assays. Addition of AA1 5μg/ml to the extender significantly (P < 0.05) improved progressive motility, viability, plasma membrane integrity, acrosome integrity, and DNA integrity of the semen samples. Sperm viability and plasma membrane integrity in aqueous extract (both aerial & root parts)-supplemented extenders were relatively higher, as compared to the control. Moreover, a significant decrease in MDA concentration was detected in semen supplemented with Urtica dioica extract treatments. In conclusion, the results indicate that 5μg/ml of aqueous extract of Urtica dioica aerial part improved sperm quality and could be recommended as an additive to the extender for cryopreservation. This study shows a novel approach in goat semen cryopreservation due to the remarkable influence of Urtica dioica on post-thawed sperm parameters.","PeriodicalId":7975,"journal":{"name":"Applied Ecology and Environmental Research","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136307214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.15666/aeer/2105_41174134
Q.H. LUO, B. WANG, S.L. HAN, Y. LIU, X.M. MA, C. ZHANG, N. TIE
. To explore the effects of different light intensities on the physiological growth of Larix gmelinii seedlings, this study assessed three height grades of L. gmelinii seedlings (≤0.5–1, 0.5–1, and 1-3 m) under the following treatments: full light (control), 65% NS (natural sunshine), 35% NS, and 10% NS. After treatment, photosynthetic pigment content, light response curve, CO 2 response curve, Chlorophyll Fluorescence and Diurnal Variations in Photosynthesis were assessed. Shading increased the photosynthetic pigment contents of L. gmelinii seedlings and young trees and played a positive role in the adaptation of L. gmelinii seedlings and young trees to low-light environments. The maximum net photosynthetic rate, maximum carboxylation rate, maximum photoelectron transmission rate, and utilization efficiency of acetone phosphate of L. gmelinii (1–3 m) considerably increased under the 65% NS treatment, showed the strongest photoinhibition resistance and a high proportion of the open PSII reaction center. The best shade treatment for young L. gmelinii trees at 1–3 m was 65% NS, which indicates that this treatment can improve the photosynthetic capacity of young L. gmelinii trees. However, for the growth of smaller L. gmelinii seedlings, an environment with greater light intensity is more suitable.
{"title":"PHOTOSYNTHETIC CHARACTERISTICS OF LARIX GMELINII SEEDLINGS UNDER DIFFERENT LIGHT INTENSITY","authors":"Q.H. LUO, B. WANG, S.L. HAN, Y. LIU, X.M. MA, C. ZHANG, N. TIE","doi":"10.15666/aeer/2105_41174134","DOIUrl":"https://doi.org/10.15666/aeer/2105_41174134","url":null,"abstract":". To explore the effects of different light intensities on the physiological growth of Larix gmelinii seedlings, this study assessed three height grades of L. gmelinii seedlings (≤0.5–1, 0.5–1, and 1-3 m) under the following treatments: full light (control), 65% NS (natural sunshine), 35% NS, and 10% NS. After treatment, photosynthetic pigment content, light response curve, CO 2 response curve, Chlorophyll Fluorescence and Diurnal Variations in Photosynthesis were assessed. Shading increased the photosynthetic pigment contents of L. gmelinii seedlings and young trees and played a positive role in the adaptation of L. gmelinii seedlings and young trees to low-light environments. The maximum net photosynthetic rate, maximum carboxylation rate, maximum photoelectron transmission rate, and utilization efficiency of acetone phosphate of L. gmelinii (1–3 m) considerably increased under the 65% NS treatment, showed the strongest photoinhibition resistance and a high proportion of the open PSII reaction center. The best shade treatment for young L. gmelinii trees at 1–3 m was 65% NS, which indicates that this treatment can improve the photosynthetic capacity of young L. gmelinii trees. However, for the growth of smaller L. gmelinii seedlings, an environment with greater light intensity is more suitable.","PeriodicalId":7975,"journal":{"name":"Applied Ecology and Environmental Research","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136307755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.15666/aeer/2105_42954311
Y. PENG, F. HAYAT, J. LI, J.Q. XIAO, P.F. TU, J.Z. CHEN, C.Q. LI, W.P. SONG, W.S. XUAN
. Abiu is a new, excellent, and rare fruit. The genetic diversity of 20 Abiu germplasm resources was determined using SCoT molecular marker technology. A total of 361 bands were amplified using 24 selected primers, including 309 polymorphic bands, with an average polymorphism ratio (PPB) of 85.60%. The number of alleles ( Na ) in the population was 1.9501, number of effective alleles ( Ne ) was 1.4659, gene diversity index ( H ) was 0.2806, and Shannon diversity index ( I ) was 0.4314, indicating high genetic diversity among the materials. The results of cluster analysis showed that the inter-specific genetic coefficient of 20 varieties of Abiu was between 0.53-0.76, and the results of principal component analysis were consistent with those of cluster analysis. The analysis of the population structure revealed that the 20 Abiu samples could be categorized into seven distinct groups. Of all the tested materials, 14 samples had diverse genetic backgrounds and complex genetic compositions, accounting for 70% of the tested materials, suggesting that the population genetics of the 20 samples had a rich genetic basis and complex and diverse sources. SCoT, which is an effective molecular marker, can be used to analyze the genetic diversity of the germplasm resources of Abiu. This study will be useful for the identification, collection, classification, protection, and evaluation of Abiu germplasm resources.
{"title":"GENETIC DIVERSITY ANALYSIS OF 20 ABIU GERMPLASM BASED ON SCoT MOLECULAR MARKERS","authors":"Y. PENG, F. HAYAT, J. LI, J.Q. XIAO, P.F. TU, J.Z. CHEN, C.Q. LI, W.P. SONG, W.S. XUAN","doi":"10.15666/aeer/2105_42954311","DOIUrl":"https://doi.org/10.15666/aeer/2105_42954311","url":null,"abstract":". Abiu is a new, excellent, and rare fruit. The genetic diversity of 20 Abiu germplasm resources was determined using SCoT molecular marker technology. A total of 361 bands were amplified using 24 selected primers, including 309 polymorphic bands, with an average polymorphism ratio (PPB) of 85.60%. The number of alleles ( Na ) in the population was 1.9501, number of effective alleles ( Ne ) was 1.4659, gene diversity index ( H ) was 0.2806, and Shannon diversity index ( I ) was 0.4314, indicating high genetic diversity among the materials. The results of cluster analysis showed that the inter-specific genetic coefficient of 20 varieties of Abiu was between 0.53-0.76, and the results of principal component analysis were consistent with those of cluster analysis. The analysis of the population structure revealed that the 20 Abiu samples could be categorized into seven distinct groups. Of all the tested materials, 14 samples had diverse genetic backgrounds and complex genetic compositions, accounting for 70% of the tested materials, suggesting that the population genetics of the 20 samples had a rich genetic basis and complex and diverse sources. SCoT, which is an effective molecular marker, can be used to analyze the genetic diversity of the germplasm resources of Abiu. This study will be useful for the identification, collection, classification, protection, and evaluation of Abiu germplasm resources.","PeriodicalId":7975,"journal":{"name":"Applied Ecology and Environmental Research","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136368160","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.15666/aeer/2105_46334652
K.J. SHI,, L. WU, K. LIU, Z.R. ZHENG, X.Y. LI, X.Y. GUAN,, R.T. WANG, K. HE
. To understand the community structure of zooplankton and assess the survivability of the Yangtze finless porpoise (YFP), a field investigation of seasonal variation of zooplankton and environmental parameters was conducted in the Nanjing Yangtze Dolphin Nature Reserve (NYDNR) from October 2021 to August 2022. The results showed that: (1) a total of 54 species were identified, and the number of species belonging to protozoa, rotifer, cladocera, and copepods was 19, 12, 11 and 12, respectively; (2) the total zooplankton density was 21571.65 ind./L, dominated by protozoa (89.7%)
{"title":"ZOOPLANKTON COMPOSITIONS AND ITS RELATIONSHIP WITH SURVIVABILITY OF THE YANGTZE FINLESS PORPOISE IN THE NANJING YANGTZE DOLPHIN NATURE RESERVE","authors":"K.J. SHI,, L. WU, K. LIU, Z.R. ZHENG, X.Y. LI, X.Y. GUAN,, R.T. WANG, K. HE","doi":"10.15666/aeer/2105_46334652","DOIUrl":"https://doi.org/10.15666/aeer/2105_46334652","url":null,"abstract":". To understand the community structure of zooplankton and assess the survivability of the Yangtze finless porpoise (YFP), a field investigation of seasonal variation of zooplankton and environmental parameters was conducted in the Nanjing Yangtze Dolphin Nature Reserve (NYDNR) from October 2021 to August 2022. The results showed that: (1) a total of 54 species were identified, and the number of species belonging to protozoa, rotifer, cladocera, and copepods was 19, 12, 11 and 12, respectively; (2) the total zooplankton density was 21571.65 ind./L, dominated by protozoa (89.7%)","PeriodicalId":7975,"journal":{"name":"Applied Ecology and Environmental Research","volume":"163 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136371598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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