Nonrandom collecting practices may bias conclusions drawn from analyses of herbarium
records. Recent efforts to fully digitize and mobilize regional floras online offer a timely …

Natural history collections are leading successful large-scale projects of specimen
digitization (images, metadata, DNA barcodes), thereby transforming taxonomy into a big …

Herbarium collections constitute permanent and often well-documented records of the
distribution of taxa through space and time. Since their creation, their uses have dramatically …

The digitization of natural history collections calls for new, efficient solutions. Digitization of
millions of specimens, with reasonable digitization costs and high statistical repeatability …

The wealth of historical botanical surveys in New England and New York allows ecologists
to study changes in plant communities over time across well documented sites. Studies of …

Premise of the Study Human activities threaten thousands of species with extinction.
However, it remains difficult to predict extinction risk for many vulnerable species. Species …

Differences in life histories are commonly exhibited within ecological communities,
especially among species that display increased variations in body size and morphology …

As the human population grows, the transformation of landscapes for human uses
increases. In recent homogeneous and predominantly agricultural landscapes, land-cover …

Deforestation and fragmentation of tropical forest are the most serious threats to biodiversity.
In the lowlands of the Huasteca Potosina region, Mexico, more than 95,000 ha of tropical …

Anthropogenic climate change is altering phenology—the timing of biological events,
including leafing and flowering—with repercussions for trophic interactions, competition, and …