Results 311 to 320 of about 1,779,244 (346)

On some conservation laws of conservative and non-conservative dynamic systems

International Journal of Non-Linear Mechanics, 1986
This paper addresses the problem of establishing conservation laws of classical conservative and non-conservative dynamical systems with a finite number of degrees of freedom. At first, general forms of the so- called basic identity of Noether are obtained for these systems after which the derivation, from these identities, of generators of the ...
S.E. Jones, Alvin M. Strauss, B. Vujanovic   +2 more
openaire   +2 more sources

POPULATION GENETIC CONSEQUENCES OF SMALL POPULATION SIZE: Implications for Plant Conservation

, 1993
Although the potential genetic risks associated with rare or endangered plants and small populations have been discussed previously, the practical role of population genetics in plant conservation remains unclear.
N. Ellstrand, D. Elam
semanticscholar   +1 more source

Biodiversity hotspots for conservation priorities

Nature, 2000
N. Myers, R. Mittermeier, C. Mittermeier, G. Fonseca, J. Kent   +4 more
semanticscholar   +1 more source

Conservation

1984
Tropical Forests: A Call for Action. Report of an International Task Force convened by the World Resources Institute, The World Bank, and the United Nations Development Program. World Resources Institute, 1735 New York Avenue, N.W. Washington, D.C. 20006, U.S.A. October 1985. ISBN 0-915825-10-4.
openaire   +4 more sources

Freshwater biodiversity: importance, threats, status and conservation challenges

Biological Reviews of The Cambridge Philosophical Society, 2006
D. Dudgeon, A. Arthington, M. Gessner, Z. Kawabata, D. Knowler, C. Lévêque, R. Naiman, A. Prieur‐Richard, D. Soto, M. Stiassny, C. Sullivan   +10 more
semanticscholar   +1 more source

A review of methods for the assessment of prediction errors in conservation presence/absence models

Environmental Conservation, 1997
A. Fielding, J. Bell
semanticscholar   +1 more source

Systematic conservation planning

Nature, 2000
C. Margules, R. Pressey
semanticscholar   +1 more source

Defining 'Evolutionarily Significant Units' for conservation.

Trends in Ecology & Evolution, 1994
C. Moritz
semanticscholar   +1 more source

Conservation evaluation and phylogenetic diversity

, 1992
D. Faith
semanticscholar   +1 more source

Conservation corner

Field Mycology, 2000
openaire   +1 more source