ArticleEcology and evolution2020
Comparative patterns in taxonomic and functional spider diversities between tropical vs. temperate forests.
Article in Ecology and evolution, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Global determinants of insect mitochondrial genetic diversity.Nature communications · 2023Article
- Predation on sentinel prey increases with increasing latitude inEcology and evolution · 2022Article
- Article
- Comparative patterns in taxonomic and functional spider diversities between tropical vs. temperate forests.Ecology and evolution · 2020Article
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2 authors.
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Abstract
High diversity in tropical compared to temperate regions has long intrigued ecologists, especially for highly speciose taxa like terrestrial arthropods in tropical rainforests. Previous studies showed that arthropod herbivores account for much tropical diversity, yet differences in the diversity of predatory arthropods between tropical and temperate systems have not been properly quantified. Here, we present the first standardized tropical-temperate forest quantification of spider diversities, a dominant and mega-diverse taxon of generalist predators. Spider assemblages were collected using a spatially replicated protocol including two standardized sampling methods (vegetation sweep netting and beating). Fieldwork took place between 2010 and 2015 in metropolitan (Brittany) and overseas (French Guiana) French territories. We found no significant difference in functional diversity based on hunting guilds between temperate and tropical forests, while species richness was 13-82 times higher in tropical versus temperate forests. Evenness was also higher, with tropical assemblages up to 55 times more even than assemblages in temperate forests. These differences in diversity far surpass previous estimates and exceed tropical-temperate ratios for herbivorous taxa.
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