Contrasting patterns of habitat use in a threatened carabid (Carabus intricatus) and a sympatric congener in ancient temperate rainforest

IF 3.2 2区农林科学 Q1 ENTOMOLOGY

Insect Conservation and Diversity Pub Date : 2024-03-08 DOI:10.1111/icad.12717

Brogan L. Pett, Ben Raymond, Jo R. Hackman, Alastair Hotchkiss, Richard Knott, Nick J. Royle

引用次数: 0

Abstract

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古温带雨林中一种濒危食蚁兽（Carabus intricatus）和一种同域同类动物对栖息地利用的对比模式

人们越来越关注昆虫种群数量的减少，并呼吁采取相应的保护措施，特别是针对濒危物种。然而，人们对绝大多数无脊椎动物物种的栖息地要求、微生境选择和可采取的保护措施的了解明显不足。Carabus intricatus (Coleoptera: Carabidae) Linnaeus, 1761 是英国一种濒危的古林地专家，分布范围非常有限，被列为英格兰第 41 节主要物种。尽管如此，即使是基本的栖息地要求也没有系统的经验证据。在这里，我们使用了一个斑块占据建模框架，以确定无尾熊和一个同域通食物种（C. problematicus）的占据和探测参数，后者是无尾熊的潜在竞争者。我们的模型显示，腐朽枯木的可用性和落叶覆盖率（成熟阔叶树的可用性指标）会导致 C. intricatus 更高的占据率，而腐朽枯木的可用性和蛞蝓丰度则是总体丰度的主要决定因素。此外，检测模型显示，较高的湿度会大大增加蛞蝓的活动。对于问题蛞蝓，地面苔藓覆盖率和枯木总量对其占据率和丰度的影响最大，而湿度对其活动没有影响。这些结果支持了我们对这两个物种在英国的专一性和普遍性的一般预测，并表明原始温带雨林的关键特征，尤其是枯木的可利用性和高湿度，是保护这些魅力无穷的食蚁兽的关键。

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来源期刊

Insect Conservation and Diversity 生物-昆虫学

CiteScore

7.70

自引率

8.60%

发文量

审稿时长

>12 weeks

期刊介绍： To publish papers of the highest scientific quality within the general area of insect (and other arthropods) conservation and diversity covering topics ranging from ecological theory to practical management. Papers are invited on the following topics: Conservation genetics; Extinction debt; Long-term conservation planning and implementation; Global implications of local or national conservation actions; Management responses of species and communities; Captive breeding programs; Comparisons of restored and natural habitats; Biogeography; Global biodiversity; Metapopulation dynamics; Climate change: impacts on distributions and range; Invasive species: impacts and control; Effects of pollution; Genetic threats to diversity by introgression; Effects of fragmentation on diversity and distribution; Impact of agricultural and forestry practices on biodiversity; Enhancing urban environments for diversity and protection; Biodiversity action plans: can we scale up from insects?; Effectiveness and choice of indicator species; Soil biodiversity and interactions with above-ground biodiversity; Ecological interactions at local levels; Ecological and evolutionary factors influencing diversity and local, regional and global scales; Sustainable livelihoods and training on the ground; Integrating science and policy.