Safety is increasingly important in cobweb spiders based on life history

查看全文 作　　者：Haixin [1]ZHANG;Rui [1]ZHONG;Long [1]YU;Jian [1]CHEN;Ingi [1,4]AGNARSSON;Jie [1,2,3]LIU 机构地区：[1]State Key Laboratory of Biocatalysis and Enzyme Engineering&Centre for Behavioural Ecology&Evolution,School of Life Sciences,Hubei University,Wuhan,China;[2]Faculty of Resources and Environmental Science,Hubei University,Wuhan,China;[3]School of Nuclear Technology and Chemistry&Biology,Hubei University of Science and Technology,Xianning,China;[4]Faculty of Life and Environmental Sciences,University of Iceland,Reykjavik,Iceland 出　　处：《Integrative Zoology》索引2023年第18卷第4期,共10页 基　　金：supported by grants from the National Natural Sciences Foundation of China(NSFC-31970406/31772420/31573236/32270495);the National Science&Technology Fundamental Resources Investigation Program of China(Grant No.2019FY101800);CAS Key Laboratory of Tropical Forest Ecology,Xishuangbanna Tropical of Botanical Garden,Chinese Academy of Sciences(19CAS-TFE-3). 摘　　要：Detritus-based,bell-shaped cobwebs are an ideal model to research the plasticity of web architecture due to clearly separate defense and foraging components.We performed a thoroughfield investigation on the web architectures of Campanicola campanulata to research its cobweb architecture variation during the growth process and analyzed the energy trade-offs between foraging and defense at different developmental stages.The results indicated that as female C.campanulata grew,they dedicated more energy to defense and less energy to foraging,while males dedicated less energy to both defense and foraging through the growth period.We hypothesize that cobweb spiders dedicate an increasing amount of energy to safety based on evidence obtained from their life-history.Meanwhile,we present a new model to investigate web architecture variation and provide a new framework to quantify the energy allocation between foraging and predator defense for web-building spiders. 关 键 词：Campanicola campanulata detritus-based bell-shaped retreat life-history theory trade-off