By E. Granéli, Jefferson T. Turner
Harmful algal blooms are one of many effects of the human effect on aquatic ecosystems, relatively the method of eutrophication. they could reason various deleterious results, together with the poisoning of fish and shellfish, habitat disruptions for lots of organisms, water discolouration, seashore fouling, or even poisonous results for humans.
This quantity is a accomplished synthesis of the newest study achievements relating destructive algae (HA) ecology. foreign specialists supply an in-depth research of HA subject matters together with: worldwide distribution, ecology of significant HA teams, ecology and body structure of HA, HA and the foodstuff net, learning and mitigating HA, the human influence on HA and HA influence on human job. This quantity is a useful resource of knowledge for researchers in HA ecology in addition to for complex scholars, academics, and environmental managers.
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Example text
Phycologia 34:472–485 Shao P, Chen YQ, Zhou H, Yuan J, Qu LH, Zhao D, Lin YS (2004) Genetic variability in Gymnodiniaceae ITS regions: implications for species identification and phylogenetic analysis. Mar Biol 144:215–224 Takishita K, Koike K, Maruyama T, Ogata T (2002) Molecular evidence for plastid robbery (Kleptoplastidy) in Dinophysis, a dinoflagellate causing diarrhetic shellfish poisoning. Protist 153:293–302 Taylor FJR (2004) Illumination or confusion? Dinoflagellate molecular phylogenetic data viewed from a primarily morphological standpoint.
2003) who examined a number of A. minutum strains that were indistinguishable based on 28S rDNA sequences, but where the ventral pore was either present or absent in different strains. Hansen et al. (2003) also found no correlation between the type of toxin produced and genetic affiliation, rather the toxin profile varied with growth conditions. It appears that the rDNA sequences within Alexandrium show variability, which could reflect a true genetic divergence in species with similar morphology.
The hidden diversity suggested by hetR sequences is supported by a study of Aphanizomenon flos-aquae var klebahnii isolates from a Finnish lake, where several different rDNA-ITS types were identified (Laamanen et al. 2002). In this study, the rDNA-ITS diversity was somewhat lower in the Baltic Sea Aphanizomenon samples than in the lake, but there was no detectable difference in morphology: this is consistent with the study of Barker et al. (2000a) who found no sequence variation at the cpcBA-IGS locus in samples of Aphanizomenon collected directly from the water column in the Baltic Sea.