Results 171 to 180 of about 10,293 (207)

Seasonal Variation and Feeding Habits of Amphipods Inhabiting Zostera marina Beds in Gwangyang Bay, Korea

Han'guk Susan Hakhoe Chi = Bulletin of the Korean Fisheries Society, 2004
On the basis of monthly samples, we investigated the seasonal variation and feeding habits of amphipods inhabiting Zostera marina beds in Gwangyang Bay. Dominant species (>1% of the total number of amphipods) consist of 5 gammarids (Gammaropsis japonicus,
Ok Hwan Yu, Hae-Lip Suh
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Nitrogenous Excretion of Amphipods and Isopods

Journal of Experimental Biology, 1950
ABSTRACT The nitrogen excretion of eleven species of amphipods and isopods, including marine, fresh-water and terrestrial forms, has been studied. All species are essentially ammonotelic, since more than 50% of the total soluble N.P.N. of the excreta was present in the form of ammonia throughout.
E I B, DRESEL, V, MOYLE
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Host-plant specialization by a non-herbivorous amphipod: advantages for the amphipod and costs for the seaweed

Oecologia, 1999
Studies of factors affecting host plant specialization by herbivores commonly highlight the value of the plant as both food and habitat, but often cannot distinguish the relative importance of these plant traits. A different approach is to study non-herbivorous animals that specialize on particular plants but do not feed on tissue from these plants ...
Sotka, Erik E., Hay, Mark E., Thomas, James Darwin   +2 more
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Complete mitochondrial genome of the Antarctic amphipodGondogeneia antarctica(Crustacea, amphipod)

Mitochondrial DNA, 2012
The complete sequence of the mitochondrial genome of the Antarctic amphipod Gondogeneia antarctica was determined to be 18,424 bp in length, and to contain 13 protein-coding genes (PCGs), 22 tRNA genes, and large (rrnL) and small (rrnS) rRNA genes. Its total A+T content is 70.1%. The G.
Seung Chul, Shin, Jin, Cho, Jong Kyu, Lee, Do Hwan, Ahn, Hyoungseok, Lee, Hyun, Park   +5 more
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Pressure Sensitivity of an Amphipod

Science, 1961
The responses of an intertidal amphipod indicate an ability to perceive rapid pressure changes of less than 0.01 atm. The interaction of rate of change of pressure and total difference in pressure implies a rapid accommodation as well as a threshold. Evidence suggests that the sensory mechanism may not involve compressibility of a gas.
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Amphipod ( Gammarus minus ) responses to predators and predator impact on amphipod density

Oecologia, 1998
Recent theoretical work suggests that predator impact on local prey density will be the result of interactions between prey emigration responses to predators and predator consumption of prey. Whether prey increase or decrease their movement rates in response to predators will greatly influence the impact that predators have on prey density.
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Integumental Pigments of the Amphipod, Jassa

Nature, 1970
THE integumental pigments of the isopod Crustacea are ommochromes1,2, but by contrast the effectively similar colour of the amphipod Gammarus is due to carotenoids3, probably in the form of carotenoproteins. The implication of these findings was that this constitutes a general distinction between these rather closely related orders.
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The integumental organs of amphipods

Journal of the Marine Biological Association of the United Kingdom, 1975
Some integumental organs of Amphipoda have been briefly described by Bate & Westwood (1863). Their diagrams are extremely small and, in some cases, inaccurate. Fleminger (1973) described the integumental organs of calanoid copepods of the genus Eucalanus. He shows that these are distributed over the body in a pattern peculiar to each species. Bate &
J. Mauchline, A. R. S. Ballantyne
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Dissemination of Amphipods by Waterfowl

The Journal of Wildlife Management, 1984
La survie d'amphipodes de zones dessechees vers des zones plus humides peut se faire par ce mode de transport. Etude realisee dans le Missouri Coteau (Dakota du Nord) (1967-82) au cours de saisons seches et humides sur Hyalella azteca et Gammarus ...
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The Higher Classification in Amphipods

Crustaceana, 1975
Bousfield's recent book "Shallow-water Gammaridean Amphipoda of New England' ' advances that faunal element into sharp focus with excellent illustrations, workable keys and extensive descriptions. Within its faunal province, the value of this work is uncontested.
J.L. Barnard, Gordan S. Karaman
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