2018
DOI: 10.1007/s00300-018-2391-5
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Elevational variation of body size and reproductive traits in high-latitude wolf spiders (Araneae: Lycosidae)

Abstract: Environmental gradients can help us comprehend the range of adaptations or plasticity that a given species can exhibit in response to climatic change. In this study, we assessed the response in female body size, clutch size and egg volume to elevational gradients in closely related wolf spiders. We measured these traits in Pardosa glacialis, P. hyperborea, P. furcifera and P. palustris, collected along elevational gradients across six sites in Arctic and sub-Arctic regions (four sites in Greenland, one in Icel… Show more

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Cited by 19 publications
(33 citation statements)
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“…Our results for body size indicate no linear trend with elevation in P. palustris, even though body size adaptations in response to elevation are a well-described phenomenon in some Pardosa species [74,90]. Our result, no clear linear trend in body size of P. palustris along the elevational gradient, is in line with various previous findings on the body size variation of P. palustris in the research area [27,63,64].…”
Section: Discussionsupporting
confidence: 88%
See 1 more Smart Citation
“…Our results for body size indicate no linear trend with elevation in P. palustris, even though body size adaptations in response to elevation are a well-described phenomenon in some Pardosa species [74,90]. Our result, no clear linear trend in body size of P. palustris along the elevational gradient, is in line with various previous findings on the body size variation of P. palustris in the research area [27,63,64].…”
Section: Discussionsupporting
confidence: 88%
“…Especially female spiders are usually determined to species via dissection of their genitalia, which leads to damage to the abdomen. Measuring the width of the sclerotized prosoma is a viable proxy for overall body size [27,74]. For these reasons, we will use body size synonymously with both proxies when we describe our own data set.…”
Section: Methodsmentioning
confidence: 99%
“…This corresponds with findings of Lee, Somers, and Chown (2011), who were not able to detect a linear trend in the size of the indigenous spider Myro kerguelensis (O.P.-CAMBRIDGE 1876) with elevational in a sub-antarctic environment. Additionally, a recent study in arctic and sub-arctic environments showed that body size and reproductive traits did not vary with elevation in a consistent manner in four different Pardosa species, including P. palustris (Ameline et al 2018). Toft (1979) assumed that average temperatures, in combination with prey availability, affect life-history traits and determine whether species are annual or biennial in a certain habitats.…”
Section: Effects Of Elevationmentioning
confidence: 99%
“…This will, consequently, result in a better understanding of spatio-temporal patterns of species distribution and adaptations in response to changing environments. Consequently, the driving principles of phenotypic variation in individual-environment interactions are in the focus of current research (e.g., Chevin, Lande, and Mace 2010;Ameline et al 2018;Hein et al 2018). However, knowledge about specific spatial and temporal variations of life history traits remains scarce in invertebrates, especially in cold environments (Homburg et al 2013;Høye and Sikes 2013;Ameline et al 2017).…”
Section: Introductionmentioning
confidence: 99%
“…Therefore, body size is a proxy measure of fitness (Jakob, Marshall, & Uetz, ; Sokolovska, Rowe, & Johansson, ). A direct relationship between body size and reproductive success has been demonstrated in a number of spider species (Marshall & Gittleman, ), including wolf spiders (Ameline et al, ; Anderson, ; Uetz, Papke, & Kilinc, ). We also measured egg‐case (cocoon) size, another indirect measure of fitness (Bowden, Høye, & Buddle, ; Marshall & Gittleman, ).…”
Section: Methodsmentioning
confidence: 99%