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Best of GAP

Published Aug 12, 2010

Download the Best of  GAP>>  (PDF, 8.7 mb)... Learn more >>

GAP in Local Land Use Planning

Published Jul 30, 2010

This briefing paper describes how Gap Analysis can be used in city, county or other local land use planning processes. Download GAP in Local Land Use Planning >>  (PDF, 2.2mb)... Learn more >>

A Bibliography of GAP Publications

Published Jul 29, 2010

Current as of January 15, 2011 Download pdf Abbitt, R.J.F., J.M. Scott, D.S. Wilcove. 2000. Geography of Vulnerability.   Incorporating species geography and human development patterns into conservation planning. Biological Conservation.  ... Learn more >>

Is Gap Analysis Used in Other Countries?

Published Jul 8, 2010

Yes, many other countries are planning or implementing small and large-scale gap analysis projects. For example, Mexico has committed funds to cooperate on the Lower Rio Grande Gap Analysis Project and is... Learn more >>

Is USGS GAP Only Interested in Vertebrates?

Published Jul 8, 2010

No, although initial GAP projects focused primarily on animals, the program has always mapped vegetation as well. In addition, many projects have mapped invertebrates including ants, butterflies, mussels, and snails. The following... Learn more >>

Why are Some Gap Projects Regional?

Published Jul 8, 2010

Regional land cover mapping provides the context for mapping predicted distributions of vertebrate habitat. The assumption is that a species is likely to occur where its habitat occurs within its range. Compiling... Learn more >>

What is “Aquatic Gap”?

Published Jul 8, 2010

Aquatic GAP projects are important because biological issues do not end with vertebrates – aquatic mapping includes mussels, crayfish, and other invertebrates. Aquatic resources around the world face serious ecological problems due... Learn more >>

What is Biodiversity?

Published Jul 8, 2010

Biological diversity is the variety of life and its processes — it includes the variety of living organisms, the genetic differences among them, and the communities and ecosystems in which they occur. ... Learn more >>