气候变化领域集成服务门户(CCPortal): Ancient civilizations already had an impact on cladoceran assemblages in Europe's oldest lake

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DOI	10.1016/j.palaeo.2020.109734
	Ancient civilizations already had an impact on cladoceran assemblages in Europe's oldest lake
	López-Blanco C.; Tasevska O.; Kostoski G.; Wagner B.; Wilke T.
发表日期	2020
ISSN	0031-0182
卷号	552
英文摘要	Lake Ohrid (Republic of North Macedonia) is the oldest and most biodiverse freshwater lake in Europe. While the lake has recently been under severe anthropogenic pressure, historical impacts are poorly studied. We used paleolimnological information, particularly from cladoceran assemblages, to describe the long-term anthropogenic impacts that the lake has experienced over the last 6650 years. Multivariate analyses of cladoceran abundances together with selected environmental indicators were used to distinguish natural from human impacts and to track the direction and causes of observed changes. In addition, morphological analyses of planktonic Bosmina allowed us to assess the effects of fisheries and aquaculture on cladoceran phenotypic plasticity. Our findings reveal that the lake has been regularly exposed to anthropogenic impacts during the last millennia, including habitat deterioration, shifts in the food web and species introductions. Before 2400 cal yr BP, cladocerans showed the highest diversity values, and the relatively larger size of Bosmina longirostris indicated limited zooplanktivory. Since 2400 cal yr BP, coinciding with the foundation of the town of Ohrid and elevated erosion and deforestation, there has been a progressive loss of littoral taxa. Since 1700 cal yr BP, fish introductions have increased, inducing morphological changes in Bosmina, which resulted in a significant decrease in body size and antennule length and an increase in mucro and antennule angle. We also show that the present-day cladoceran community differs from the prehistoric community due to the invasion of Diaphanosoma. Overall, our results highlight the sensitivity of this unique ecosystem to human alterations, which began before the Anthropocene. © 2020
英文关键词	Antennule curvature; Biogenic silica; Bosmina; Diaphanosoma; Erosion; Fish introduction
语种	英语
scopus关键词	Anthropocene; anthropogenic effect; body size; crustacean; deforestation; environmental indicator; food web; prehistoric; species diversity; Lake Ohrid; Macedonia; Bosmina; Bosmina longirostris; Diaphanosoma
来源期刊	Palaeogeography, Palaeoclimatology, Palaeoecology
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/150463
作者单位	Department of Animal Ecology and Systematics, Justus-Liebig-Universität Gießen, Heinrich-Buff-Ring 26 (IFZ), Gießen, 35392, Germany; Department of Zooplankton, Hydrobiological Institute, Naum Ohridski 50, Ohrid, 6000, North Macedonia; Institute of Geology and Mineralogy, University of Cologne, Zülpicher Str. 49a, Köln, 50674, Germany
推荐引用方式 GB/T 7714	López-Blanco C.,Tasevska O.,Kostoski G.,et al. Ancient civilizations already had an impact on cladoceran assemblages in Europe's oldest lake[J],2020,552.
APA	López-Blanco C.,Tasevska O.,Kostoski G.,Wagner B.,&Wilke T..(2020).Ancient civilizations already had an impact on cladoceran assemblages in Europe's oldest lake.Palaeogeography, Palaeoclimatology, Palaeoecology,552.
MLA	López-Blanco C.,et al."Ancient civilizations already had an impact on cladoceran assemblages in Europe's oldest lake".Palaeogeography, Palaeoclimatology, Palaeoecology 552(2020).