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Latitudinal variation in size structure of the west coast purple sea urchin: A correlation with headlands1

TLDR
In this paper, the size structure of the purple sea urchin Strongylocentrotus purpuratus was sampled from central California to central Oregon (36°-45°N).
Abstract
Size structure of the purple sea urchin Strongylocentrotus purpuratus was sampled from central California to central Oregon (36°– 45°N). Size frequency and inferred recruitment events are correlated with major topographic features. Capes and headlands—predictable sites of upwelling and locations of cold water plumes— show size frequencies indicative of low recruitment rates. Sites without predictable upwelling or regions that are between headlands have size frequencies that indicate substantial annual recruitment.

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Sea Otters and Kelp Forests in Alaska: Generality and Variation in a Community Ecological Paradigm

TL;DR: Analysis of generality of a three-trophic-level cascade among sea otters, invertebrate herbivores, and macroalgae in Alaska demonstrates that sea otter predation has a predictable and broadly generalizable influence on the structure of Alaskan kelp forests.
Journal Article

Predicting self-recruitment in marine populations: biophysical correlates

TL;DR: It is concluded that physical factors that result in a departure from unidirectional, depth-uniform water flow provide the opportunity for retention of larvae, and therefore of self-recruitment.
Journal Article

Predicting self-recruitment in marine populations: Biophysical correlates and mechanisms

TL;DR: In this article, the authors evaluate direct and indirect evidence to predict the relationship between these biophysical variables and the degree of self-recruitment in benthic marine organisms.
Journal ArticleDOI

Considerations in estimating larval dispersal distances from oceanographic data

TL;DR: In this paper, the larval dispersal problem is discussed from the perspective of oceanography, focusing on the importance of retention zones and the more general existence of a coastal boundary layer.
Journal ArticleDOI

Ecological Effectiveness: Conservation Goals for Interactive Species

TL;DR: In this paper, the authors argue that conservation plans should call for recovery or repatriation of highly interactive species at ecologically effective densities in as many places as are currently realistic.
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