Alien cyanobacteria Anabaena bergii var. limnetica Coute et Preisig from Lithuania: Some aspects of taxonomy, ecology and distribution

被引:8
|
作者
Koreiviene, Judita [1 ]
Kasperoviciene, Jurate [1 ]
机构
[1] Nat Res Ctr, Inst Bot, LT-08406 Vilnius, Lithuania
来源
LIMNOLOGICA | 2011年 / 41卷 / 04期
关键词
Anabaena bergii var. limnetica; A; minderi; Alien species; Morphology; Ecology; Distribution; Lithuania; APHANIZOMENON; CYLINDROSPERMOPSIS; ALGAE;
D O I
10.1016/j.limno.2011.01.004
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
The anthropogenic eutrophication of surface waters and the global climate warming promoted some bloom-forming tropical cyanobacteria, including Anabaena, distribution northwards. Anabaena bergii var. limnetica was for the first time recorded in Lithuania from the hypertrophic Lake Gineitiskes in 2008. it developed when the water temperature reached its annual maximum (July-August); its highest biomass (0.26 mg L-1) was reached at the end of July. Akinetes formation started in the middle of August. The morphological variability of A. bergii var. limnetica morphospecies is presented. The morphological, ecological differences and distribution of A. bergii var. limnetica and the related morphospecies A. bergii, A. bergii f. minor, Anabaena minded are discussed. (C) 2011 Elsevier GmbH. All rights reserved.
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页码:325 / 333
页数:9
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