Sensitivity to habitat fragmentation across European landscapes in three temperate forest herbs
Sensitivity to habitat fragmentation across European landscapes in three temperate forest herbs
复制标题
三种温带森林草本植物对欧洲景观栖息地破碎化的敏感性
DOI：
10.1007/s10980-021-01292-w
复制
发表时间：
2021
影响因子：
5.2
通讯作者：
Kramp K
中科院分区：
文献类型：
--
作者：
Naaf T;Feigs JT;Huang S;Brunet J;Cousins SAO;Decocq G;De Frenne P;Diekmann M;Govaert S;Hedwall P- O;Helsen K;Lenoir J;Liira J;Meeussen C;Plue J;Poli P;Spicher F;Vangansbeke P;Vanneste T;Verheyen K;Holzhauer SIJ;Kramp K
到目前为止，栖息地丧失和破碎化对温带森林草本植物种群在农业景观中的生存能力的影响的证据是基于单一景观中单一物种的种群遗传研究。然而，森林草本植物在他们的生活史不同，景观有不同的环境，结构和历史，使generalizations difficulties.ObjectivesWe比较三个缓慢殖民森林草本植物栖息地丧失和破碎化的反应，并设置这关系到生活史特征的差异，特别是它们的交配系统和相关的传粉者。方法我们分析了草本植物的景观-规模人口的遗传结构的基础上，从复制的森林片段在7个欧洲农业landscapes.ResultsAll物种的等位基因丰富度和增加的遗传分化的人口规模的减少。遗传分化也随着空间隔离的增强而增加。此外，每个物种都表现出独特的反应。自交不亲和的紫穗槐在较小的群体中杂合性降低。Anemone nemorosa，其主要的传粉者是移动的少，随着空间隔离的增加，减少了遗传多样性，但不是大黄蜂授粉的Polygonatum multiflorum.ConclusionsOur研究表明，栖息地的丧失和碎片化损害了长期生存的缓慢殖民森林草本植物，尽管他们能够坚持几十年的克隆繁殖。在相同的景观中研究的三个物种的不同反应证实了多物种方法的必要性。相关传粉者的流动性应被认为是森林草本植物对生境丧失和破碎化敏感性的重要决定因素。
ContextEvidence for effects of habitat loss and fragmentation on the viability of temperate forest herb populations in agricultural landscapes is so far based on population genetic studies of single species in single landscapes. However, forest herbs differ in their life histories, and landscapes have different environments, structures and histories, making generalizations difficult.ObjectivesWe compare the response of three slow-colonizing forest herbs to habitat loss and fragmentation and set this in relation to differences in life-history traits, in particular their mating system and associated pollinators.MethodsWe analysed the herbs’ landscape-scale population genetic structure based on microsatellite markers from replicate forest fragments across seven European agricultural landscapes.ResultsAll species responded to reductions in population size with a decrease in allelic richness and an increase in genetic differentiation among populations. Genetic differentiation also increased with enhanced spatial isolation. In addition, each species showed unique responses. Heterozygosity in the self-compatibleOxalis acetosellawas reduced in smaller populations. The genetic diversity ofAnemone nemorosa, whose main pollinators are less mobile, decreased with increasing spatial isolation, but not that of the bumblebee-pollinatedPolygonatum multiflorum.ConclusionsOur study indicates that habitat loss and fragmentation compromise the long-term viability of slow-colonizing forest herbs despite their ability to persist for many decades by clonal propagation. The distinct responses of the three species studied within the same landscapes confirm the need of multi-species approaches. The mobility of associated pollinators should be considered an important determinant of forest herbs’ sensitivity to habitat loss and fragmentation.
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影响因子：
5.5
作者：
K. Verheyen;O. Honnay;Glenn Motzkin;M. Hermy;D. Foster
通讯作者：
K. Verheyen;O. Honnay;Glenn Motzkin;M. Hermy;D. Foster
不列颠群岛的生物区系：Anemone nemorosa L.
DOI：
--
发表时间：
1985
期刊：
影响因子：
--
作者：
Deirdre A. Shirreffs
通讯作者：
Deirdre A. Shirreffs
影响因子：
5.5
作者：
Kolb, A
通讯作者：
Kolb, A
DOI：
--
发表时间：
2020
期刊：
影响因子：
--
作者：
S. Zerbe
通讯作者：
S. Zerbe
丹麦两个地区景观破碎化和森林连续性对森林地表物种的影响
影响因子：
2.8
作者：
B. Graae
通讯作者：
B. Graae