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The importance of ecotonal or edge environments to white-tailed deer (Odocoileus virginianus) was assessed by pellet group counts. Edge and non-edge h...

Physical inaccessibility often complicates censuses of poorly mobile organisms. We therefore assessed the effectiveness of using a sample of quadrat c...

The abundance and diversity of flowering plant species are important indicators of pollinator habitat quality, but traditional field-based surveying t...

The presence and abundance of Northern Bobwhite Colinus virginianus often relies on imprecise methods (e.g. fall covey counts), which can lead to inac...

Bioassessment indices routinely used in freshwater assessments are calculated using enumeration methods that are often time-intensive. For diatom asse...

To successfully manipulate populations for management and conservation purposes, managers must be able to track changes in demographic rates and deter...

A characteristic of some heath and moorland areas in maritime north-west Europe is the widespread dominance of Molinia caerulea (purple moor grass). T...

Aerial counts are the primary means of monitoring waterbird populations. A valid population assessment requires a significant proportion of the popula...

1. In vertebrate population estimation, converting faecal density into animal density requires information on the faecal production rate, decay rate a...

Faecal surveys are used widely to study variations in abundance and distribution of forest-dwelling mammals when direct enumeration is not feasible. T...