Results 231 to 240 of about 3,795,040 (279)
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Chemical Communication in Fish
Canadian Journal of Fisheries and Aquatic Sciences, 1982Chemical signals (pheromones) have been shown to be involved in schooling, territorial marking, species, sex and individual recognition, courtship, the induction of physiological readiness for mating, and in parent–young interactions. Alarm substances released from damaged skin elicit avoidance behavior.
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1991
Abstract There is a remarkable benthic fish community in deep water in Lake Tanganyika that is rich in endemic species and genetically diverse. Its lower limit is determined by oxygen concentration, some species ranging down to about 200 m depth at the south of the lake where the oxygenated layer is deepest.
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Abstract There is a remarkable benthic fish community in deep water in Lake Tanganyika that is rich in endemic species and genetically diverse. Its lower limit is determined by oxygen concentration, some species ranging down to about 200 m depth at the south of the lake where the oxygenated layer is deepest.
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2019
This chapter uses the community model to repeat many of the classic impact calculations of a single stock on the entire community. Here, a focus is the appearance of trophic cascades initiated by the removal of large predators. When a component of an ecosystem is perturbed, the effects are not isolated to the component itself but cascade through the ...
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This chapter uses the community model to repeat many of the classic impact calculations of a single stock on the entire community. Here, a focus is the appearance of trophic cascades initiated by the removal of large predators. When a component of an ecosystem is perturbed, the effects are not isolated to the component itself but cascade through the ...
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Effects of trap fishing on reef fish communities
Aquatic Conservation: Marine and Freshwater Ecosystems, 2006Abstract Trap fishing is widespread on coral reefs but the sustainability of this practice is causing concern because it is efficient and unselective. The effects of trap fishing were investigated by comparing fish assemblages among six Caribbean islands subject to different trapping pressures.
Julie P. Hawkins +3 more
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Visual Communication in Fishes
1980The intensity and spectral distribution of the light encountered by an animal species set reasonably broad operational limits for the efficient generation and reception of visual signals. This phenomenon is of special importance to fishes because aquatic environments cause profound changes in the nature of light that penetrates to any depth (Blaxter ...
Joseph S. Levine +2 more
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2006
Fishes, the most abundant and diverse group among all vertebrates, exploit the largest number of communication channels. These two volumes explore how fishes use hearing and vision, as well as the vibrational, electric and chemical modalities in their interactions with one another.
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Fishes, the most abundant and diverse group among all vertebrates, exploit the largest number of communication channels. These two volumes explore how fishes use hearing and vision, as well as the vibrational, electric and chemical modalities in their interactions with one another.
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2018
Have you ever swept a net through a stream, a lake, or a river and found a fish you did not recognize?
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Have you ever swept a net through a stream, a lake, or a river and found a fish you did not recognize?
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Historical Fishing Communities
2016Community-building is one tool of human resilience to overcome the challenges of a hostile environment such as the marine. The chapter provides an overview of how the concept of community has been deployed in historical and social anthropology studies of maritime communities since the 1920s.
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Nature Climate Change, 2019
With climate change, marine species are on the move and changing in abundance. Now, research shows that the ecological impacts of climate change will differentially affect fishing communities, even within the same region.
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With climate change, marine species are on the move and changing in abundance. Now, research shows that the ecological impacts of climate change will differentially affect fishing communities, even within the same region.
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Assessing the response of marine fish communities to climate change and fishing
Conservation BiologyAbstract Globally, marine fish communities are being altered by climate change and human disturbances. We examined data on global marine fish communities to assess changes in community‐weighted mean temperature affinity (i.e., mean temperatures within geographic ranges), maximum length, and trophic levels, which, respectively ...
Mingpan Huang +3 more
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