Life-history of Gorgoderina vitelliloba (Olsson)
نویسندگان
چکیده
منابع مشابه
Björn Olsson
The marine environment provides many goods and services that humans benefit from but often pay little or nothing for. Examples include food, recreation activities and coastal protection. These benefits are dependent upon the quality of the coastal water. In this paper we employ a choice experiment to estimate the economic benefits of improved coastal water quality. We let water quality with be ...
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Studies on life cycles and epizootiology of North American frog bladder flukes indicate that adult frogs become infected predominantly by ingesting tadpoles or other frogs that serve as second intermediate hosts for gorgoderid metacercariae. Other studies have indicated that newly metamorphosed frogs are rarely infected with these parasites because they are gapelimited predators that cannot fee...
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ژورنال
عنوان ژورنال: Nature
سال: 1953
ISSN: 0028-0836,1476-4687
DOI: 10.1038/171485a0