Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1023/B:HYDR.0000043188.53497.9b |
Resistance and resilience of macroinvertebrate assemblages to drying and flood in a tallgrass prairie stream system | |
Fritz, KM; Dodds, WK | |
通讯作者 | Fritz, KM |
来源期刊 | HYDROBIOLOGIA
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ISSN | 0018-8158 |
出版年 | 2004 |
卷号 | 527期号:1页码:99-112 |
英文摘要 | Intermittent streams are common worldwide, and the ability of invertebrates to recover from floods and drought is a key feature of communities from these highly disturbed ecosystems. The macroinvertebrate assemblages of Kings Creek in northeastern Kansas were sampled regularly from four intermittent and two perennial sites over 2 years (1995-1996) to investigate the response and recovery to seasonal drying and floods. A similar to 9 mo drying period reduced taxa richness and density to 14% and 3% of pre-drying assemblages, respectively, in 1995-1996, whereas a 2 mo drying period reduced richness by half and density to 4% of pre-drying assemblages in 1996. Floods at intermittent sites reduced densities and richness by 95% and similar to50%, respectively. A > 50 y-flood reduced macroinvertebrate richness by 97% and density by > 99% at a downstream perennial site. Resistance and resilience of total macroinvertebrate density was typically greater to floods than to drying, whereas resilience of taxa richness did not differ between disturbance types. The time required for recovery to pre-flood conditions ( richness and density) was half as long ( 27 vs. 76 day) for intermittent sites compared to perennial sites. Colonization of intermittent sites was a function of distance from upstream refugia. Floods were a more important disturbance on assemblages in a downstream reach as compared to upstream reaches. In contrast, upstream reaches were more likely to dry. Recovery following flood and drought was dominated by colonization as opposed to tolerance, thus resilience is more important than resistance in regulating macroinvertebrate communities in these streams, and relative position in the landscape affects disturbance type, intensity, and ability of communities to recover from disturbance. |
英文关键词 | intermittent streams prairie streams macroinvertebrates disturbance floods drying |
类型 | Article |
语种 | 英语 |
国家 | USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000224130600011 |
WOS关键词 | 2 INTERMITTENT STREAMS ; HEADWATER STREAM ; DESERT STREAM ; INVERTEBRATE COMMUNITIES ; DISTURBANCE REGIMES ; FAUNAL COMPOSITION ; FLASH FLOODS ; GREAT-PLAINS ; TEMPORARY ; PATTERNS |
WOS类目 | Marine & Freshwater Biology |
WOS研究方向 | Marine & Freshwater Biology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/146932 |
作者单位 | (1)Kansas State Univ, Div Biol, Manhattan, KS 66506 USA |
推荐引用方式 GB/T 7714 | Fritz, KM,Dodds, WK. Resistance and resilience of macroinvertebrate assemblages to drying and flood in a tallgrass prairie stream system[J],2004,527(1):99-112. |
APA | Fritz, KM,&Dodds, WK.(2004).Resistance and resilience of macroinvertebrate assemblages to drying and flood in a tallgrass prairie stream system.HYDROBIOLOGIA,527(1),99-112. |
MLA | Fritz, KM,et al."Resistance and resilience of macroinvertebrate assemblages to drying and flood in a tallgrass prairie stream system".HYDROBIOLOGIA 527.1(2004):99-112. |
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