Arid
DOI10.1111/fwb.13306
Anemochory of diapausing stages of microinvertebrates in North American drylands
Rivas, Jose A., Jr.1; Schroeder, Thomas1,2; Gill, Thomas E.3,4; Wallace, Robert L.5; Walsh, Elizabeth J.1
通讯作者Walsh, Elizabeth J.
来源期刊FRESHWATER BIOLOGY
ISSN0046-5070
EISSN1365-2427
出版年2019
卷号64期号:7页码:1303-1314
英文摘要Dry, ephemeral, desert wetlands are major sources of windblown sediment, as well as repositories for diapausing stages (propagules) of aquatic invertebrates. Zooplankton propagules are of the same size range as sand and dust grains. They can be deflated and transported in windstorm events. This study provides evidence that dust storms aid in dispersal of microinvertebrate propagules via anemochory (aeolian transport). We monitored 91 windstorms at six sites in the southwestern U.S.A. over a 17-year period. The primary study site was located in El Paso, Texas in the northern Chihuahuan Desert. Additional samples were collected from the Southern High Plains region. Dust carried by these events was collected and rehydrated to hatch viable propagules transported with it. Using samples collected over a 6-year period, 21 m above the ground, which included 59 storm events, we tested the hypothesis that transport of propagules is correlated with storm intensity by monitoring meteorological conditions such as storm duration, wind direction, wind speed, and particulate matter (PM10; fine dust concentration). An air quality monitoring site located adjacent to the dust samplers provided quantitative hourly measurements. Rehydration results from all events showed that ciliates were found in 92% of the samples, rotifers in 81%, branchiopods in 29%, ostracods in 4%, nematodes in 13%, gastrotrichs in 16%, and tardigrades in 3%. Overall, four bdelloid and 11 monogonont rotifer species were identified from rehydrated windblown dust samples. Principal component analysis indicated gastrotrichs, branchiopods, nematodes, tardigrades, and monogonont rotifer occurrence positively correlated with PM10 and dust event duration. Bdelloid rotifers were correlated with amount of sediment deposited. Non-metric multidimensional scaling showed a significant relationship between PM10 and occurrence of some taxa. Zero-inflated, general linear models with mixed-effects indicated significant relationships with bdelloid and nematode transport and PM10. Thus, windstorms with high PM10 concentration and long duration are more likely to transport microinvertebrate diapausing stages in drylands.
英文关键词dispersal invertebrates temporary pools wetlands zooplankton
类型Article
语种英语
国家USA ; Germany
开放获取类型Green Accepted, Bronze
收录类别SCI-E
WOS记录号WOS:000471049400007
WOS关键词WIND DISPERSAL ; AERIAL DISPERSAL ; UNITED-STATES ; RESTING EGGS ; DUST SOURCES ; ROTIFER ; ZOOPLANKTON ; COLONIZATION ; DIVERSITY ; TRANSPORT
WOS类目Ecology ; Marine & Freshwater Biology
WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/215739
作者单位1.Univ Texas El Paso, Dept Biol Sci, El Paso, TX 79968 USA;
2.Buro Angew Okol Gewasserokol, Meldorf, Germany;
3.Univ Texas El Paso, Dept Geol Sci, El Paso, TX 79968 USA;
4.Univ Texas El Paso, Environm Sci & Engn Program, El Paso, TX 79968 USA;
5.Ripon Coll, Dept Biol, Ripon, WI USA
推荐引用方式
GB/T 7714
Rivas, Jose A., Jr.,Schroeder, Thomas,Gill, Thomas E.,et al. Anemochory of diapausing stages of microinvertebrates in North American drylands[J],2019,64(7):1303-1314.
APA Rivas, Jose A., Jr.,Schroeder, Thomas,Gill, Thomas E.,Wallace, Robert L.,&Walsh, Elizabeth J..(2019).Anemochory of diapausing stages of microinvertebrates in North American drylands.FRESHWATER BIOLOGY,64(7),1303-1314.
MLA Rivas, Jose A., Jr.,et al."Anemochory of diapausing stages of microinvertebrates in North American drylands".FRESHWATER BIOLOGY 64.7(2019):1303-1314.
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