Species richness is a fundamental measurement of community and regional diversity, and it
underlies many ecological models and conservation strategies. In spite of its importance …

This accessible and timely book provides a comprehensive overview of how to measure
biodiversity. The book highlights new developments, including innovative approaches to …

The objectives of this work are:(1) to define spider guilds for all extant families worldwide;(2)
test if guilds defined at family level are good surrogates of species guilds;(3) compare the …

The first check list of the Hungarian spider fauna is presented since the 1918 check list by
Chyzer and Kulczynski. All pre-1900 records are included from the Chyzer and Kulczynski …

1. Frequency of singletons–species represented by single individuals–is anomalously high
in most large tropical arthropod surveys (average, 32%). 2. We sampled 5965 adult spiders …

The recent shift in research attention by amphibian biologists towards the causes of
“enigmatic” population declines appears paradoxical given the almost unanimous …

Changes in flower-visiting insect populations or communities that result from human impacts
can be documented by measuring spatial or temporal trends, or by comparing abundance or …

Adult aquatic insects emerging from streams may be a significant source of energy for
terrestrial predators inhabiting riparian zones. In this study, we use natural abundance δ 13 …

Biodiversity is one of the most important concepts in contemporary biology, with a broad
range of applications. In November 1995, South Africa ratified the Convention on Biological …

We investigated the effect of plot-based and unrestricted (plot-less) sampling on an
inventory of a megadiverse taxon, spiders, in an Afrotropical forest for the purpose of species …