Arid
DOI10.1111/fwb.13130
Amphibian-mediated nutrient fluxes across aquatic-terrestrial boundaries of temporary wetlands
Fritz, Kelley A.1,2; Whiles, Matt R.
通讯作者Fritz, Kelley A.
来源期刊FRESHWATER BIOLOGY
ISSN0046-5070
EISSN1365-2427
出版年2018
卷号63期号:10页码:1250-1259
英文摘要

1. Resource subsidies of energy and nutrients can be transported via physical forces, such as gravity, wind or water and biotic processes, such as animal migration or emigration. Migratory transport of nutrient subsidies may be associated with reproductive processes, such as the deposition of eggs or emigration of juveniles to adult habitats.


2. We quantified net nutrient fluxes associated with amphibian migrations across aquatic-terrestrial boundaries of eight temporary ponds in Illinois, USA. We measured carbon (C), nitrogen (N) and phosphorus (P) subsidies from terrestrial environments to ponds, in the form of eggs, and the reciprocal subsidies from ponds to terrestrial environments via juvenile emigration.


3. Juvenile emergence biomass did not follow patterns of egg biomass, as not all species bred successfully in each pond, resulting in variability in the magnitude of nutrient fluxes both across ponds and species.


4. The terrestrial environment was not always the recipient system of net nutrient fluxes. Hydroperiod, trophic interactions and species composition explained some dynamics of N and P subsidies.


5. Anthropogenic alterations that affect amphibian communities, such as habitat fragmentation and conversion for agriculture and urbanisation, could have large-scale impacts on nutrient fluxes and connectivity of temporary pond-forest systems.


英文关键词energy flux migration resource subsidy stoichiometry temporary pools
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000448881700006
WOS关键词FRESH-WATER ; RECIPROCAL SUBSIDIES ; FOOD WEBS ; BREEDING AMPHIBIANS ; RIPARIAN PREDATORS ; SPECIES RICHNESS ; PACIFIC SALMON ; DESERT STREAM ; LIFE-CYCLE ; ECOSYSTEMS
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/2XILL650/209398
作者单位1.Southern Illinois Univ, Dept Zool, Carbondale, IL 62901 USA;
2.Southern Illinois Univ, Ctr Ecol, Carbondale, IL 62901 USA
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GB/T 7714
Fritz, Kelley A.,Whiles, Matt R.. Amphibian-mediated nutrient fluxes across aquatic-terrestrial boundaries of temporary wetlands[J],2018,63(10):1250-1259.
APA Fritz, Kelley A.,&Whiles, Matt R..(2018).Amphibian-mediated nutrient fluxes across aquatic-terrestrial boundaries of temporary wetlands.FRESHWATER BIOLOGY,63(10),1250-1259.
MLA Fritz, Kelley A.,et al."Amphibian-mediated nutrient fluxes across aquatic-terrestrial boundaries of temporary wetlands".FRESHWATER BIOLOGY 63.10(2018):1250-1259.
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