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The influence of spatial resolution on macroecological patterns of range size variation: a case study using parrots (Aves : Psittaciformes) of the world

Aim: To assess the extent to which the resolution at which geographical range sizes are measured influences macroecological patterns in this variable. Location: Global. Methods: Data on the geographical ranges of parrot species were digitized, and a Geographic Information System used to produce nine range size estimates for each species using different degrees of spatial resolution.

A comparison of taxon co-occurrence patterns for macro- and microorganisms

A tool to navigate overlaps in fragmented ocean governance

A geological framework for interpreting the low-flow regimes of Cascade streams, Willamette River Basin, Oregon

Mammals on mountainsides: Elevational patterns of diversity

Research frontiers in null model analysis

Species co-occurrence: A meta-analysis of J. M. Diamond's assembly rules model

Species invasions exceed extinctions on islands worldwide: A comparative study of plants and birds

Spread dynamics of invasive species

Species invasions are a principal component of global change, causing large losses in biodiversity as well as economic damage. Invasion theory attempts to understand and predict invasion success and patterns of spread. However, there is no consensus regarding which species or community attributes enhance invader success or explain spread dynamics. Experimental and theoretical studies suggest that regulation of spread dynamics is possible; however, the conditions for its existence have not yet been empirically demonstrated.

Towards a more general species-area relationship: Diversity on all islands, great and small