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Filter Total Items: 3510

Conservation Conservation

Abstract not supplied at this time
Authors
C.K. Dodd

A pre-vegetated mat technique for the restoration of submersed aquatic vegetation A pre-vegetated mat technique for the restoration of submersed aquatic vegetation

Communities of submersed aquatic vegetation (SAV) provide critical habitat for wintering waterfowl and many commercially important fish species. Submersed aquatic vegetation also helps minimize storm damage by reducing wave action and stabilizing sediments, and they improve water quality by sequestering nutrients and contaminants (Zieman and Zieman 1989).
Authors
R.G. Boustany

Genotype and elevation influence Spartina alterniflora colonization and growth in a created salt marsh Genotype and elevation influence Spartina alterniflora colonization and growth in a created salt marsh

Colonization, growth, and clonal morphology differ with genotype and are influenced by elevation. Local adaptation of Spartina alterniflora to environmental conditions may lead to dominance by different suites of genotypes in different locations within a marsh. In a constructed marsh, we found reduced colonization in terms of density of clones with increasing distance from edge in a 200...
Authors
C.E. Proffitt, S.E. Travis, K.R. Edwards

Influences of salinity and shade on seedling photosynthesis and growth of two mangrove species, Rhizophora mangle and Bruguiera sexangula, introduced to Hawaii Influences of salinity and shade on seedling photosynthesis and growth of two mangrove species, Rhizophora mangle and Bruguiera sexangula, introduced to Hawaii

Rhizophora mangle was first introduced to Hawaii in 1902 to promote shoreline stabilization. Intertidal competition with native and introduced salt marsh species was low, and beyond the early 1920s, mangrove forests expanded rapidly. An additional mangrove species, Bruguiera sexangula, was introduced in 1922 and currently co-occurs with R. mangle in only a few stands on the north shore...
Authors
K. W. Krauss, J. A. Allen

Influences of roads and development on bird communities in protected Chihuahuan Desert landscapes Influences of roads and development on bird communities in protected Chihuahuan Desert landscapes

Our objective was to improve knowledge about effects of broad-scale road and development variables on bird communities in protected desert landscapes. Bird species richness and the relative abundance or probability of occurrence of many species were significantly associated with total length of roads within each of two spatial extents (1- and 2-km radii), distance to the nearest road...
Authors
K.J. Gutzwiller, W.C. Barrow

Bayesian inference and decision theory - A framework for decision making in natural resource management Bayesian inference and decision theory - A framework for decision making in natural resource management

Bayesian inference and decision theory may be used in the solution of relatively complex problems of natural resource management, owing to recent advances in statistical theory and computing. In particular, Markov chain Monte Carlo algorithms provide a computational framework for fitting models of adequate complexity and for evaluating the expected consequences of alternative management...
Authors
R.M. Dorazio, Fred A. Johnson
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