▪ Abstract The latitudinal gradient of decreasing richness from tropical to extratropical areas
is ecology's longest recognized pattern. Nonetheless, notable exceptions to the general …

The present two‐part review aims to put the different phenomena that have been called
“beta diversity” over the years into a common conceptual framework and to explain what …

Understanding the causes of spatial variation in species richness is a major research focus
of biogeography and macroecology. Gridded environmental data and species richness …

The term beta diversity has been used to refer to a wide variety of phenomena. Although all
of these encompass some kind of compositional heterogeneity between places, many are …

The classic Jaccard and Sørensen indices of compositional similarity (and other indices that
depend upon the same variables) are notoriously sensitive to sample size, especially for …

Global warming is a key threat to biodiversity, but few researchers have assessed the
magnitude of this threat at the global scale. We used major vegetation types (biomes) as …

Se presenta un análisis del listado actualizado de las aves de México, con enfoques
taxonómicos actuales y abarcando todas aquellas especies que tengan registros recientes …

Human activity and land‐use change are dramatically altering the sizes, geographical
distributions and functioning of biological populations worldwide, with tremendous …

尺度问题已成为现代生态学的核心问题之一. 尺度问题主要涉及3 个方面: 尺度概念,
尺度分析和尺度推绎. 主要评述前两个方面. 生态学尺度有三重概念: 维数, 种类和组分 …

Patterns of species turnover are central to the geography of biodiversity and resulting
challenges for conservation, but at broad scales remain relatively little understood. Here, we …