Reproductive inequalities in the acanthocephalan Corynosoma cetaceum: looking beyond ‘crowding’ effects
نویسندگان
چکیده
منابع مشابه
Corynosoma cetaceum in the stomach of franciscanas, Pontoporia blainvillei (Cetacea): an exceptional case of habitat selection by an acanthocephalan.
Adult acanthocephalans are typically found in the intestine of vertebrates, where they can readily absorb nutrients. However, Corynosoma cetaceum has been frequently reported in the stomach of cetaceans from the Southern Hemisphere. The ecological significance of this habitat was investigated by examining data on number, sex ratio, maturity status, biomass, and fecundity of C. cetaceum in diffe...
متن کاملAdolescents in Vietnam: looking beyond reproductive health.
The research that has been conducted to date on Vietnamese adolescents has focused on unprotected and unsanctioned sexual activity and its health consequences, specifically abortion and sexually transmitted diseases, especially HIV. The question we pose in this article is whether this concern is warranted. Is the population community justified in limiting research on this population to early se...
متن کاملIntestinal helminth fauna of the South American sea lion Otaria flavescens and fur seal Arctocephalus australis from northern Patagonia, Argentina.
We report on the intestinal helminth fauna of 56 South American sea lions, Otaria flavescens, and 5 South American fur seals, Arctocephalus australis, from northern Patagonia, Argentina. A total of 97,325 helminth specimens were collected from sea lions. Gravid individuals were represented by 6 species of parasites: 1 digenean (Ascocotyle (Ascocotyle) patagoniensis), 1 cestode (Diphyllobothrium...
متن کاملthe effects of changing roughness on the flow structure in the bends
flow in natural river bends is a complex and turbulent phenomenon which affects the scour and sedimentations and causes an irregular bed topography on the bed. for the reason, the flow hydralics and the parameters which affect the flow to be studied and understand. in this study the effect of bed and wall roughness using the software fluent discussed in a sharp 90-degree flume bend with 40.3cm ...
Communication Strategies Revisited: Looking beyond Interactional and Psycholinguistic Perspectives
Second language (L2) communication strategies (CSs) have traditionally been dealt with through either interactional or psychological perspectives. However, this paper is a critical attempt to question the status of the particular kinds of psycholinguistic and interactional approaches that currently dominate the field of second language acquisition (SLA). In this way, it expands the significance...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Parasites & Vectors
سال: 2018
ISSN: 1756-3305
DOI: 10.1186/s13071-018-2723-x