Arid
DOI10.1071/MF15341
Macroinvertebrate community succession under variable flow regimes in subtropical Australia
Stitz, Leigh; Fabbro, Larelle; Kinnear, Susan
通讯作者Stitz, Leigh
来源期刊MARINE AND FRESHWATER RESEARCH
ISSN1323-1650
EISSN1448-6059
出版年2017
卷号68期号:6页码:1153-1164
英文摘要

Seasonal changes in hydrology are important factors influencing abiotic conditions and subsequently the biota. Although these effects have been studied in tropical catchments and in central arid Australia, subtropical ephemeral streams have largely been ignored. In the present study, three ephemeral streams in Central Queensland were monitored over 15 months. We hypothesised that macroinvertebrate abundance would increase gradually following the initial flow pulse and that abundance would increase until the pools began drying, with sensitive taxa only present during higher flow. In all, 69 families from 14 orders were collected in 128 samples. Significant relationships were not detected between low flow conditions and taxa richness (P > 0.05). Principal component analysis showed that the macroinvertebrate communities did not change in response to the drying of pools. Significant differences were not observed between taxa richness, abundance nor tolerant taxa during varied periods of flow (P > 0.05). Sensitive taxa were most abundant during high-flow periods with comparatively less abundance during no flow and drying periods. This study provides novel information on the flow-linked succession of macroinvertebrate communities in subtropical ephemeral streams and the results are important in informing the development of riverine indices and models used to manage subtropical environments.


英文关键词Chironomidae ephemeral stream freshwater indices management
类型Article
语种英语
国家Australia
收录类别SCI-E
WOS记录号WOS:000402414700016
WOS关键词2 INTERMITTENT STREAMS ; PERENNIAL STREAMS ; EASTERN AUSTRALIA ; DRYLAND RIVERS ; HYPORHEIC ZONE ; DRY TROPICS ; ASSEMBLAGES ; DROUGHT ; VARIABILITY ; ECOLOGY
WOS类目Fisheries ; Limnology ; Marine & Freshwater Biology ; Oceanography
WOS研究方向Fisheries ; Marine & Freshwater Biology ; Oceanography
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/201044
作者单位Cent Queensland Univ, Sch Med & Appl Sci, Rockhampton, Qld 4701, Australia
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Stitz, Leigh,Fabbro, Larelle,Kinnear, Susan. Macroinvertebrate community succession under variable flow regimes in subtropical Australia[J],2017,68(6):1153-1164.
APA Stitz, Leigh,Fabbro, Larelle,&Kinnear, Susan.(2017).Macroinvertebrate community succession under variable flow regimes in subtropical Australia.MARINE AND FRESHWATER RESEARCH,68(6),1153-1164.
MLA Stitz, Leigh,et al."Macroinvertebrate community succession under variable flow regimes in subtropical Australia".MARINE AND FRESHWATER RESEARCH 68.6(2017):1153-1164.
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