{"title":"基于结构方程建模的方法确定印度特莱弧形地貌中香樟入侵的决定因素","authors":"Tamali Mondal, Soumya Dasgupta, Dinesh Bhatt, Ramesh Krishnamurthy","doi":"10.1007/s11258-024-01399-5","DOIUrl":null,"url":null,"abstract":"<p>Biological invasion is regarded as one of the most important disturbance parameters and threats for sustaining biodiversity. Global warming, industrialization, and open niche created due to the expansion of development initiatives contribute to the successful spread of invasive species around the world. The contributions of various biotic and abiotic factors in different spatial scales are crucial for an invasive to establish in its invaded area. We assessed the spatial distribution of invasion by <i>Lantana camara</i> in the Corbett Tiger Reserve and Rajaji Tiger Reserve within the Terai Arc Landscape Complex. The presence locations of <i>Lantana</i> were assessed within 10 m × 10 m plots (<i>n</i> = 666), and information on habitat variables such as tree density, canopy cover, shrub density, shrub cover, and anthropogenic pressures were collected. We also synthesized information on climate and topography data of the region from global databases. Confirmatory factor analysis was done using the presence of <i>Lantana</i> as response variable and habitat, anthropogenic, climatic, and topographic variables as predictor variables. We found that for Rajaji Tiger Reserve, habitat and anthropogenic variables were the major influencing factors for <i>Lantana</i> invasion, whereas, for Corbett Tiger Reserve, climate and topography were the major determining factors. Mean diurnal temperature, precipitation of warmest quarter, lopping, and logging were the factors determining the <i>Lantana</i> invasion in the landscape. The influence of different factors affecting the invasion of <i>Lantana</i> differs between Rajaji Tiger reserve and Corbett Tiger Reserve. The result of the study will be helpful for formulating effective policy intervention to reduce the invasion of <i>Lantana</i> in these ecologically important tiger reserves.</p>","PeriodicalId":20233,"journal":{"name":"Plant Ecology","volume":"8 1","pages":""},"PeriodicalIF":1.9000,"publicationDate":"2024-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A structural equation modeling-based approach to identify the determinants of Lantana camara invasion in the Terai Arc Landscape, India\",\"authors\":\"Tamali Mondal, Soumya Dasgupta, Dinesh Bhatt, Ramesh Krishnamurthy\",\"doi\":\"10.1007/s11258-024-01399-5\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>Biological invasion is regarded as one of the most important disturbance parameters and threats for sustaining biodiversity. Global warming, industrialization, and open niche created due to the expansion of development initiatives contribute to the successful spread of invasive species around the world. The contributions of various biotic and abiotic factors in different spatial scales are crucial for an invasive to establish in its invaded area. We assessed the spatial distribution of invasion by <i>Lantana camara</i> in the Corbett Tiger Reserve and Rajaji Tiger Reserve within the Terai Arc Landscape Complex. The presence locations of <i>Lantana</i> were assessed within 10 m × 10 m plots (<i>n</i> = 666), and information on habitat variables such as tree density, canopy cover, shrub density, shrub cover, and anthropogenic pressures were collected. We also synthesized information on climate and topography data of the region from global databases. Confirmatory factor analysis was done using the presence of <i>Lantana</i> as response variable and habitat, anthropogenic, climatic, and topographic variables as predictor variables. We found that for Rajaji Tiger Reserve, habitat and anthropogenic variables were the major influencing factors for <i>Lantana</i> invasion, whereas, for Corbett Tiger Reserve, climate and topography were the major determining factors. Mean diurnal temperature, precipitation of warmest quarter, lopping, and logging were the factors determining the <i>Lantana</i> invasion in the landscape. The influence of different factors affecting the invasion of <i>Lantana</i> differs between Rajaji Tiger reserve and Corbett Tiger Reserve. The result of the study will be helpful for formulating effective policy intervention to reduce the invasion of <i>Lantana</i> in these ecologically important tiger reserves.</p>\",\"PeriodicalId\":20233,\"journal\":{\"name\":\"Plant Ecology\",\"volume\":\"8 1\",\"pages\":\"\"},\"PeriodicalIF\":1.9000,\"publicationDate\":\"2024-02-17\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Plant Ecology\",\"FirstCategoryId\":\"93\",\"ListUrlMain\":\"https://doi.org/10.1007/s11258-024-01399-5\",\"RegionNum\":4,\"RegionCategory\":\"环境科学与生态学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"ECOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Plant Ecology","FirstCategoryId":"93","ListUrlMain":"https://doi.org/10.1007/s11258-024-01399-5","RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ECOLOGY","Score":null,"Total":0}
引用次数: 0
摘要
生物入侵被认为是维持生物多样性最重要的干扰参数和威胁之一。全球变暖、工业化以及发展举措的扩大所造成的开放性生态位,都是入侵物种在全球成功传播的原因。各种生物和非生物因素在不同空间尺度上的作用,对入侵物种在其入侵地区立足至关重要。我们评估了特莱弧形地貌群中科比特老虎保护区和拉贾吉老虎保护区内香樟入侵的空间分布。我们在 10 m × 10 m 的地块(n = 666)内评估了香根草的存在位置,并收集了有关栖息地变量的信息,如树木密度、树冠覆盖率、灌木密度、灌木覆盖率和人为压力。我们还从全球数据库中综合了该地区的气候和地形数据信息。我们使用香根草的存在作为响应变量,栖息地、人为因素、气候和地形变量作为预测变量,进行了确证因子分析。我们发现,在拉贾吉老虎保护区,栖息地和人为变量是香根草入侵的主要影响因素,而在科比特老虎保护区,气候和地形是主要的决定因素。昼夜平均温度、最热季度的降水量、砍伐和伐木是决定香根草入侵地貌的因素。拉贾吉老虎保护区和科比特老虎保护区不同因素对香丹草入侵的影响有所不同。研究结果将有助于制定有效的政策干预措施,减少香根草对这些具有重要生态意义的老虎保护区的入侵。
A structural equation modeling-based approach to identify the determinants of Lantana camara invasion in the Terai Arc Landscape, India
Biological invasion is regarded as one of the most important disturbance parameters and threats for sustaining biodiversity. Global warming, industrialization, and open niche created due to the expansion of development initiatives contribute to the successful spread of invasive species around the world. The contributions of various biotic and abiotic factors in different spatial scales are crucial for an invasive to establish in its invaded area. We assessed the spatial distribution of invasion by Lantana camara in the Corbett Tiger Reserve and Rajaji Tiger Reserve within the Terai Arc Landscape Complex. The presence locations of Lantana were assessed within 10 m × 10 m plots (n = 666), and information on habitat variables such as tree density, canopy cover, shrub density, shrub cover, and anthropogenic pressures were collected. We also synthesized information on climate and topography data of the region from global databases. Confirmatory factor analysis was done using the presence of Lantana as response variable and habitat, anthropogenic, climatic, and topographic variables as predictor variables. We found that for Rajaji Tiger Reserve, habitat and anthropogenic variables were the major influencing factors for Lantana invasion, whereas, for Corbett Tiger Reserve, climate and topography were the major determining factors. Mean diurnal temperature, precipitation of warmest quarter, lopping, and logging were the factors determining the Lantana invasion in the landscape. The influence of different factors affecting the invasion of Lantana differs between Rajaji Tiger reserve and Corbett Tiger Reserve. The result of the study will be helpful for formulating effective policy intervention to reduce the invasion of Lantana in these ecologically important tiger reserves.
期刊介绍:
Plant Ecology publishes original scientific papers that report and interpret the findings of pure and applied research into the ecology of vascular plants in terrestrial and wetland ecosystems. Empirical, experimental, theoretical and review papers reporting on ecophysiology, population, community, ecosystem, landscape, molecular and historical ecology are within the scope of the journal.