Results 101 to 110 of about 98,056 (262)
Nature, 1926 MR. D. J. SCOURFIELD'S memoir “On a new Type of Crustacean from the Old Red Sandstone (Rhynie Chert Bed, Aberdeenshire), Lepidocaris rhyniensis, gen. et sp. nov.” (Phil. Trans. B, 415,1926), which has already been noticed in NATURE (April 3, 1926, p.498),is so important a contribution to arthropod morphology that no excuse is needed for directing ...
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Proctolin and an Endogenous Proctolin-Like Peptide Enhance the Contractility of the Limulus Heart [PDF]
, 1983 Synthetic proctolin increases the force but not the rate of heart contractions of Limulus in a time- and dose-dependent manner. The threshold of this effect is 3 × 10−10M and the ED50 is approximately 10−8M. At concentrations up to 10−7 M, proctolin has
Augustine, George J. +2 more
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Journal of Marine Science and EngineeringTropical rock lobsters (Panulirus ornatus) are a highly cannibalistic species with intermoult animals predominantly attacking animals during ecdysis (moulting).
Charles Sutherland +4 more
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Genetic diversity in wild stocks of the giant freshwater prawn (Macrobrachium rosenbergii): implications for aquaculture and conservation [PDF]
, 2003 The giant freshwater prawn (Macrobrachium rosenbergii) is cultured widely around the world but little is known about the levels and patterns of genetic diversity in either wild or cultured stocks.
de Bruyn, M., Mather, P.B.
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AntioxidantsEndocrine-disrupting chemicals (EDCs) significantly damage biological systems related to reproductive, neurological, and metabolic functions. Approximately 1000 chemicals are known to possess endocrine-acting properties, including bisphenol A (BPA) and ...
Ji-Hoon Kim +3 more
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, 2002 Jamaica, with its overfish marine resources, has become a major tilapia producer in Latin America led by a small number of large farms practicing tilapia culture with considerable commercial success.
Aiken, K.A. +3 more
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Limnological study of Zealand Pond, White Mountains, New Hampshire [PDF]
, 1999 Zealand Pond, New Hampshire, was chosen as the site of a remote lake study. Data were collected between July 18 and August 29,1997. Zealand Pond had a relatively high pH (6.3-6.9) and alkalinity (2.3- 3.1 mg CaCO3 /liter), considering its small size and ...
LeFevre, Anne
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Considerations for implementing regulation of decapods in science
Animal WelfareDecapod crustaceans, commonly utilised for pure or applied scientific research and commercial food production, have generally remained outside ethical debate. However, in the last decade many parts of the world have seen an increase in public interest in
Adam Powell +3 more
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III.—On a New Crustacean (Æger Marderi, H. W.), from the Lias of Lyme Regis, Dorsetshire [PDF]
Henry Woodward
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