Differences in life history characteristics among three sympatric evolutionary species of theRotaria rotatoriacomplex
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چکیده
منابع مشابه
[Dietary differences and niche partitioning in three sympatric Myotis species].
The morphology and diet characteristics of three Myotis species roosting in the same cave were studied in Anlong County, Guizhou from September to November 2005. The three mouse-eared bats were the Chinese water myotis (Myotis laniger) "body mass: (4.46±0.53) g, forearm: (34.63±1.45 mm)", fringed long-footed myotis (Myotis fimbriatus) "body mass: (5.15±1.76) g, forearm: (35.20±1.07) mm" and sze...
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1. Competition among sympatric wild herbivores is reduced by different physiological, morphological, and behavioral traits resulting in different dietary niches. Wild equids are a rather uniform group of large herbivores which have dramatically declined in numbers and range. Correlative evidence suggests that pasture competition with livestock is one of the key factors for this decline, and the...
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Evolutionary transitions among maternal, paternal, and bi-parental care have been common in many animal groups. We use a mathematical model to examine the effect of male and female life-history characteristics (stage-specific maturation and mortality) on evolutionary transitions among maternal, paternal, and bi-parental care. When males and females are relatively similar - that is, when females...
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insurers have in the past few decades faced longevity risks - the risk that annuitants survive more than expected - and therefore need a new approach to manage this new risk. in this dissertation we survey methods that hedge longevity risks. these methods use securitization to manage risk, so using modern financial and insurance pricing models, especially wang transform and actuarial concepts, ...
15 صفحه اولEvolutionary history and species interactions.
W e celebrate this year the sesquicentennial anniversary of the publication of On the Origin of Species (1), one of the most important books ever written. The two great themes of The Origin are descent, with modification, of diverse species from common ancestors, and natural selection, which Darwin proposed as the chief agent of modification. He remarked, in Chapter VI, that ‘‘it is generally a...
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ژورنال
عنوان ژورنال: Journal of Freshwater Ecology
سال: 2016
ISSN: 0270-5060,2156-6941
DOI: 10.1080/02705060.2016.1141379