Benthic dispersal of Caribbean spiny lobsters among insular habitats: implications for the conservation of exploited marine species

Article Abstract:

Benthic dispersal of Caribbean spiny lobsters has been studied in insular habitats with emphasis on implications for conservation of exploited marine species. The species, Panulirus argus, uses a variety of benthic marine habitats, but the ways in which habitat characteristics affect dispersal is not well understood. Abundance, migration among insular mangrove and coral reef habitats surrounded by seagrass meadows or bare rubble fields, and size class structure were studied. Lobsters were significantly more abundant on coral and mangrove islands surrounded by seagrass. To protect insular habitats and not related habitats may be ineffective. Changing habitat requirements must be considered for complex life cycles for conservation strategies for mobile benthic species.

Environmental aspects, Spiny lobsters, Island ecology

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The appropriateness of puppet-rearing birds for reintroduction

Article Abstract:

Appropriateness of puppet-rearing social altricial birds to be reintroduced to the wild has been studied using Common Ravens as parental models or puppets for the endangered Hawaiian Crow and Mariana Crow. Captive propagation and reintroduction programs for rare and endangered species rarely include testing of techniques prior to initiation of recovery efforts. The birds raised with puppets were not affected in social behavior before release and dispersal or integration with wild birds. Those raised with a puppet were more fearful of caretaking humans and more vigilant before release. Researchers should consider the species and the behaviors wanted to see whether puppet use would be a good strategy.

Captive wild birds

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War and peace and conservation biology

Article Abstract:

The article examines the theory and practice of conservation biology and observes that research has led to descriptions and recommendations than actual conservation successes. It is suggested that by a close scrutiny and monitoring the effectiveness of research, improvements in the conservation can be accomplished.

Analysis, Case studies, Conservation of natural resources, Environmental monitoring, Natural resource conservation

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