Some North Pacific Species of Articulated Corallines
نویسندگان
چکیده
منابع مشابه
Chiharaea and Yamadaia (corallinales, Rhodophyta) Represent Reduced and Recently Derived Articulated Coralline Morphologies(1).
Phycologists have hypothesized that the diminutive fronds produced by species in the genera Chiharaea and Yamadaia, which are composed of comparatively few genicula and intergenicula, represent morphological intermediates in the evolution of articulated corallines from crustose ancestors. We test this "intermediate frond hypothesis" by comparing rbcL sequences from the generitype species Chihar...
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Recent concern about negative effects on human health from elevated organochlorine and mercury concentrations in marine foods has highlighted the need to understand temporal and spatial patterns of marine pollution. Seabirds, long-lived pelagic predators with wide foraging ranges, can be used as indicators of regional contaminant patterns across large temporal and spatial scales. Here we evalua...
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BACKGROUND Coral reefs worldwide face a variety of threats and many coral species are increasingly endangered. It is often assumed that rare coral species face higher risks of extinction because they have very small effective population sizes, a predicted consequence of which is decreased genetic diversity and adaptive potential. METHODOLOGY/PRINCIPAL FINDINGS Here we show that some Indo-Paci...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 1937
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.23.11.561