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Journal ArticleDOI

The role of larval migration in the maintenance of an encrusting sponge population

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TLDR
It is suggested that the phenomenon of larval coalescence, by reducing post-larval mortalities during environmental fluctuations, makes peripheral sponge populations evolutionarily more fit than is at first apparent.
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This article is published in Netherlands Journal of Sea Research.The article was published on 1973-08-01. It has received 5 citations till now. The article focuses on the topics: Population.

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Plate tectonics as a mechanism for dispersal and speciation in interstitial sand fauna

TL;DR: In this article, it is suggested that careful evaluation of geological and biological evidence, and especially the comparison of the taxonomic difference between species, and their present geographic distance, will reveal new insight into the interplay between biological and geological mechanisms of speciation and dispersal.
Journal ArticleDOI

Reproduction and development of halichondria sp. in the mystic estuary, connecticut

TL;DR: Since the reproductive periods of postdormant and postlarval specimens are separated, it appears that reproduction is, to a large extent, under endogenous control.
Journal ArticleDOI

Sessile Macrofauna and Marine ecosystem

TL;DR: The aspects of sessile macrofauna that have the greatest ecological relevance are reviewed: the building of a physical structure for the community; the intra‐ and interspecific interactions; the different adaptive strategies and the developmental and morphological plasticity.
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Raft fouling in the Menai Strait, 1963–1971

William G. Fry
- 01 Dec 1975 - 
TL;DR: This system provided data whose interpretation permits the detection of annual and seasonal variations in settlement intensities, duration of settlement seasons, growth and progressive fouling, and competition on fouled surfaces within and between the plant and animal forms.
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The cost of natural selection

TL;DR: It is suggested that, in horotelic evolution, the mean time taken for each gene substitution is about 300 generations, which accords with the observed slowness of evolution.
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Theory of Fitness in a Heterogeneous Environment. I. The Fitness Set and Adaptive Function

TL;DR: The model is presented for representing the fitness of populations in a heterogeneous environment in terms of their fitness in the various niches taken separately, and the distribution of the niches in space and time.
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