نتایج جستجو برای: crab fisheries
تعداد نتایج: 24698 فیلتر نتایج به سال:
Baseline ecological studies of Pondicherry mangroves are important for monitoring, management and conservation of mangrove ecosystems. A brachyuran crab faunal assemblage at four stations of Pondicherry mangroves is described and monthly samplings were made during September 2008 – August 2009. Totally 22 species of brachyuran crabs belonging to 12 genera and 5 families were recorded crabs bel...
Models for the diffuse Galactic continuum emission and synchrotron radiation show that it is difficult to reproduce observations of both of these from the same population of cosmic-ray electrons. This indicates that an important contributor to the emission below 10 MeV could be an unresolved point-source population. We suggest that these could be Crab-like sources in the inner Galaxy. Alternati...
Shell selection indices of the dominant hermit crab Clibanarius signatus Heller, 1861, in the Larak Island were studied from September 2011 to June 2012. Among 739 sampled specimens, 41 different gastropod shell types were selected as shelters based on their abundance and local availability. A significant positive correlation (P<0/01) was found between the dimensions of the hermit crab, Cli...
There is a growing body of research documenting the impacts of fisheries collapses on communities and fisheries workers. Less attention has been paid to the sustainable use of fisheries resources so that future generations have access to these resources, or to the creation of mechanisms that might contribute to the intergenerational continuity of recruitment of fisheries workers and the regener...
Compared with the elongate bodies of shrimps or lobsters, crabs are characterised by a compact body organisation with a depressed, short carapace and a ventrally folded pleon. The evolutionary transformation from a lobster-like crustacean towards a crab is called ‘carcinization’ and has been interpreted as a dramatic morphological change. Nevertheless, the crab-shape evolved convergently in a n...
1 Pacific Islands Fisheries Science Center (NOAA Fisheries), Honolulu, HI, United States, 2 Office of Protected Resources (NOAA Fisheries), Silver Spring, MD, United States, 3 College of Earth, Ocean and Atmospheric Sciences, Oregon State University, Corvallis, OR, United States, 4 Southeast Fisheries Science Center (NOAA Fisheries), Miami, FL, United States, 5 Oceans Program, Leonardo DiCaprio...
Crab waste preserved with .2% NaOCl was mixed with wheat straw, liquid molasses, and water (32:32:16:20, wet basis) and ensiled for a minimum of 8 wk with microbial inoculant. A reduction in pH and water-soluble carbohydrates (WSC) and a higher concentration of lactic acid (4.9%, DM basis) were achieved. The trimethylamine (TMA) concentration in the silage was 11.2 mg N/100 g. In a digestion tr...
The problem of overexploitation in global fisheries is well-recognized. However, published assessment of fisheries spatio-temporal trends at the national scale is lacking for many high biodiversity developing countries, which is problematic since fisheries management is often implemented at the local or national levels. Here, we present the long-term spatio-temporal trends of Philippine fisheri...
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