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- Engeman, R.M.; Duquesnel, J.A.; Cowan, E.M.; Smith, H.T.; Shwiff, S.A.; Karlin, M.
- Journal of coastal research 2008 v.24 no.2 pp. 527-532
- habitat destruction; estimation; bioeconomic models; contingent valuation; habitat conservation; cost benefit analysis; anthropogenic activities; ecological restoration; aquatic habitat; boats; aquatic plants; Florida
- ... Seagrass bed habitat is an important biotic community in decline worldwide. Boat damage has long been recognized for its negative impacts on shallow-water seagrass beds, with those along the Florida coast particularly vulnerable in the face of a large human population possessing a large number of boats. Boat scars to seagrass beds recover slowly, resulting in new damage that often outpaces recover ...
- Levell, A.P.; Chang, H.
- River research and applications 2008 v.24 no.2 pp. 169-182
- Salmonidae; aquatic habitat; case studies; channelization; geomorphology; hydraulic structures; land use; monitoring; particle size; particle size distribution; rearing; spawning; stream channels; watersheds; Oregon
- ... Pacific Northwest (PNW) streams in the United States were impacted by the 20th century development, when removal of instream structure and channelization degraded an aquatic habitat. The lower Kelley Creek in southeast Portland, USA was channelized during the 1930's Works Progress Administration (WPA) projects. Stream restoration reintroduced pool-riffle sequences and heterogeneous substrates to p ...