By Alan J. Southward, Craig M. Young, Lee A. Fuiman
Quantity forty three is an eclectic quantity with stories on ecology and biogeography of marine parasites; fecundity: features and position in life-history concepts of marine invertebrates; the ecology of Southern Ocean Pack-ice; and organic and distant sensing views of pigmentation in coral reef organisms. Advances in Marine Biology was once first released in 1963. Now edited by way of A.J. Southward (Marine organic organization, UK), P.A. Tyler (Southampton Oceanography organization, UK), C.M. younger (Harbor department Oceanographic establishment, united states) and L.A. Fuiman (University of Texas, USA), the serial publishes in-depth and updated studies on a variety of subject matters to be able to entice postgraduates and researchers in marine biology, fisheries technology, ecology, zoology, oceanography. Eclectic volumes within the sequence are supplemented by means of thematic volumes on such themes as The Biology of Calanoid Copepods . Key gains * AMB first released 1963 * This quantity provides a range of reports at the biology of lesser-known taxa of the phylum Mollusca, together with: * The typically diminutive protobranch bivalves * The slug-like shelled opisthobranchs * The hugely really good and evolutionarily complicated tusk shells * the gorgeous, invaluable, but frustratingly hard-to-collect slit shells
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Extra info for Advances in Marine Biology, Vol. 43
Evidence for induced changes rests on comparison of naturally infected and uninfected hosts and aberrant phenotypes may be the cause of infection and not vice versa. Only experiments can provide definitive evidence (Poulin and Thomas, 1999). Poulin (1999b) stressed that parasites play "many roles at many levels" in shaping animal communities. Concerning effects on host communities, they may have different effects on different host species infected by them, they can adversely affect a key species in the host community, or they can affect the host phenotypes and thereby the importance of particular hosts in the community.
0 I 0 / ~ i 1 1 2 3 4 5 6 7 8 Ln ( m e a n n u m b e r of parasites per host +1) Figure20 Community richness (as expressed by species richness and abundance) of metazoan endoparasites of the digestive tract of 51 teleost species (A) and of metazoan ectoparasites on the heads and gills of 105 teleost species (B). Note much greater community richness of ecto- but not of endoparasites in tropical waters. Modified from: Rohde, K. and Heap, M. (1998). Latitudinal differences in species and community richness and in community structure of metazoan endo- and ectoparasites of marine teleost fish.
As pointed out by Poulin (1995), there is no general agreement on the phylogeny of any of the major vertebrate groups, and analyses should be repeated when the "exact" phylogenetic relationships are known. Poulin (1995) examined the effects of body size, diet, habitat, latitude and the mean number of parasites per host on the parasite community richness of parasites in various vertebrate hosts. After correction for host phylogeny, he found that only host body size can have an important effect on parasite community richness, but this was not the case for fish ectoparasites (however, it "came close").
Advances in Marine Biology, Vol. 43 by Alan J. Southward, Craig M. Young, Lee A. Fuiman