Small and large anemonefishes can coexist using the same patchy resources on a coral reef, before habitat destruction

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Small and large anemonefishes can coexist using the same patchy resources on a coral reef, before habitat destruction

1. According to meta-population models, a superior competitor and a superior disperser can coexist in a patchy environment. The two anemonefishes, a large aggressive Amphiprion clarkii Bennett and a small less-aggressive A. perideraion Bleeker, use the same host anemone Heteractis crispa Ehrenberg on a coral reef, Okinawa, Japan, where most of the hosts disappeared after the coral bleaching in ...

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Coral Reef Habitat Mapping Using Meris: Can Meris Detect Coral Bleaching?

RESUME In this study we have performed in situ optical characterisation of reef waters and adjacent ocean waters and substratum type and cover. Next we developed an inversion optimisation method to infer water column composition, bathymetry and per pixel unmixing of substratum type and/or cover using MERIS FR scenes. Based on sensitivity analysis of the forward optical model, MERIS is capable o...

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Distribution of coral reef fishes along a coral reef–seagrass gradient: edge effects and habitat segregation

Coral reefs and seagrass beds are often located adjacent to one another, but little is known about the degree to which their fish communities are interlinked. To determine whether coral reef fishes on the coral reef are interlinked with or segregated from fishes on adjacent seagrass beds, a 60 m coral reef–seagrass gradient was studied on the island of Zanzibar in the western Indian Ocean. Usin...

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Digital Reef Rugosity Estimates Coral Reef Habitat Complexity

Ecological habitats with greater structural complexity contain more species due to increased niche diversity. This is especially apparent on coral reefs where individual coral colonies aggregate to give a reef its morphology, species zonation, and three dimensionality. Structural complexity is classically measured with a reef rugosity index, which is the ratio of a straight line transect to the...

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Ecology. Coral reef biodiversity--habitat size matters.

Coral reefs are the most diverse of all marine ecosystems (1), with estimates of reef species ranging from 600,000 to more than 9 million species worldwide (2, 3). This biodiversity is most pronounced in the western Pacific and Indian Oceans (1, 4), but decreases with increasing distance from the Indo-Australian archipelago. For example, reefs in the central Indo-Pacific have more than 10 times...

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ژورنال

عنوان ژورنال: Journal of Animal Ecology

سال: 2002

ISSN: 0021-8790,1365-2656

DOI: 10.1046/j.1365-2656.2002.00649.x