Introduction to Marine Science
... marine snails or sea anemones, which cling to hard surfaces using their muscular feet. Mussels and barnacles receive the full force of wave impact along sandy and rocky shores, but they manage to stay put. Mussels cling to the rocks by secreting tough, fibrous byssal threads that stick to hard subst ...
... marine snails or sea anemones, which cling to hard surfaces using their muscular feet. Mussels and barnacles receive the full force of wave impact along sandy and rocky shores, but they manage to stay put. Mussels cling to the rocks by secreting tough, fibrous byssal threads that stick to hard subst ...
article (Open Access)
... similar to the Red Sea, there have been many cases of tetrodotoxin poisoning reported in the eastern Mediterranean (Bentur et al. 2008).The Egyptian Mediterranean coast encompasses the Suez Canal, which is the main passageway for many tropical species from the Red Sea and Indo-Pacific region. Theref ...
... similar to the Red Sea, there have been many cases of tetrodotoxin poisoning reported in the eastern Mediterranean (Bentur et al. 2008).The Egyptian Mediterranean coast encompasses the Suez Canal, which is the main passageway for many tropical species from the Red Sea and Indo-Pacific region. Theref ...
South Coast Biodiversity Monitoring II-Final
... County) completed in 2012, subsequent monitoring of specific sites to determine temporal and spatial changes in biodiversity was necessary. The assessment of the status of these marine ecosystems and biodiversity is therefore a prerequisite in the quest to identify and formulate strategic management ...
... County) completed in 2012, subsequent monitoring of specific sites to determine temporal and spatial changes in biodiversity was necessary. The assessment of the status of these marine ecosystems and biodiversity is therefore a prerequisite in the quest to identify and formulate strategic management ...
Chapter 15
... b. are able to migrate vertically in response to changes in sunlight, c. are able to photosynthesize like a plant and feed by ingesting organic material like an animal, so they are both autotrophic and heterotrophic (heterotrophic organisms feed on other organisms or on organic material), d. sometim ...
... b. are able to migrate vertically in response to changes in sunlight, c. are able to photosynthesize like a plant and feed by ingesting organic material like an animal, so they are both autotrophic and heterotrophic (heterotrophic organisms feed on other organisms or on organic material), d. sometim ...
DEEP SEA CORALS
... throughout the world’s oceans. Yet we know little about the distribution of the vast majority of them. Some are found worldwide, some are found in several regions around the world, but most are found in only a few locations or even a single place.5, 8, 17 Scientists have discovered some coral commun ...
... throughout the world’s oceans. Yet we know little about the distribution of the vast majority of them. Some are found worldwide, some are found in several regions around the world, but most are found in only a few locations or even a single place.5, 8, 17 Scientists have discovered some coral commun ...
benthic marine habitats in antarctica
... lower latitudes. and there is a strong influence of glacial processes. Close to the Antarctic continent the sediments contain an abundant silt fraction comprised of rock flour with coarse poorly-sorted debris. and containing little calcite or biogenic material. These types of sediment were termed gl ...
... lower latitudes. and there is a strong influence of glacial processes. Close to the Antarctic continent the sediments contain an abundant silt fraction comprised of rock flour with coarse poorly-sorted debris. and containing little calcite or biogenic material. These types of sediment were termed gl ...
Greenpeace `Red-Grade` Criteria for Unsustainable Fisheries This
... Criterion 1: Fishing in deep-sea habitats The deep oceans – the areas beyond and below the edge of continental shelves – are one of the last great wilderness areas. They typically support marine life that is particularly sensitive to disturbance. Many of the deep-sea species are delicate and slow-gr ...
... Criterion 1: Fishing in deep-sea habitats The deep oceans – the areas beyond and below the edge of continental shelves – are one of the last great wilderness areas. They typically support marine life that is particularly sensitive to disturbance. Many of the deep-sea species are delicate and slow-gr ...
Longhurst, A. and D. Pauly. 1987. Ecology of Tropical Oceans
... Progress in understanding the dynamics of tropical fish populations has been hampered by the limited research capability of many tropical countries, which have relatively few marine scientists as well a general absence of long time series of catch, effort, and age composition data for their fisherie ...
... Progress in understanding the dynamics of tropical fish populations has been hampered by the limited research capability of many tropical countries, which have relatively few marine scientists as well a general absence of long time series of catch, effort, and age composition data for their fisherie ...
Fish assemblages across a complex, tropical freshwater/marine
... Speciesrelative abundance, Speciesturnover, Tortuguero Synopsis Riverine fish assemblagesin the temperate zone generally show strong longitudinal patterns of faunal turnover and increasesin speciesrichnesswith increasing stream order. We examined the composition and structure of tropical fish assemb ...
... Speciesrelative abundance, Speciesturnover, Tortuguero Synopsis Riverine fish assemblagesin the temperate zone generally show strong longitudinal patterns of faunal turnover and increasesin speciesrichnesswith increasing stream order. We examined the composition and structure of tropical fish assemb ...
2.1-2.2 Greenland and Iceland ecosystem overview
... area is rarely more than 75 km wide. The coastline and sub-sea topography are heavily serrated with canyons, and bottom topography is generally rough with hard bottom types. The strong, cold East Greenland Current dominates the hydrographic conditions along the coast of Greenland. In some years the ...
... area is rarely more than 75 km wide. The coastline and sub-sea topography are heavily serrated with canyons, and bottom topography is generally rough with hard bottom types. The strong, cold East Greenland Current dominates the hydrographic conditions along the coast of Greenland. In some years the ...
The “marine heat wave” off Western Australia during the summer of
... designed to provide a formal basis for follow-up between potential collaborators on scientific papers to ensure the published results are synergistic and capture as much of the detail as possible, perhaps including some aspects that would not merit publication on their own. Priorities for further mo ...
... designed to provide a formal basis for follow-up between potential collaborators on scientific papers to ensure the published results are synergistic and capture as much of the detail as possible, perhaps including some aspects that would not merit publication on their own. Priorities for further mo ...
A Literature Review on the Poor Knights Islands Marine Reserve
... conspicuous element at the Poor Knights Islands comprising around 38% of the total number of fish species recorded from the Poor Knights Islands (Brook, 2002). In recent years a number of excellent photograph references of the fish fauna of Poor Knights Islands have been published (Doak, 1991; Edney ...
... conspicuous element at the Poor Knights Islands comprising around 38% of the total number of fish species recorded from the Poor Knights Islands (Brook, 2002). In recent years a number of excellent photograph references of the fish fauna of Poor Knights Islands have been published (Doak, 1991; Edney ...
Risky Decisions - The Pew Charitable Trusts
... the amount of fish that can be taken allow commercial fishing to operate at levels that do not deplete fish populations.3 Despite repeated warnings from the scientific community and even court orders, however, the council resisted hard catch limits. In the early 1980s, U.S. fishing capacity was expa ...
... the amount of fish that can be taken allow commercial fishing to operate at levels that do not deplete fish populations.3 Despite repeated warnings from the scientific community and even court orders, however, the council resisted hard catch limits. In the early 1980s, U.S. fishing capacity was expa ...
Ocean Basins and Crust
... –This is the bulk of an ocean. It is oceanic crust, that was created at ridges, has gotten cold and subsided, and coated with sediments, which smoothes out the irregularities that are found near ridges. •Seamounts are conical volcanoes on the sea floor. Guyots are flat-topped mountains rising above ...
... –This is the bulk of an ocean. It is oceanic crust, that was created at ridges, has gotten cold and subsided, and coated with sediments, which smoothes out the irregularities that are found near ridges. •Seamounts are conical volcanoes on the sea floor. Guyots are flat-topped mountains rising above ...
English
... larval, juvenile and adult forms of red rock crabs, migratory fish including tuna and similar species, and marine mammals. The water in this area, located at latitude 3°N-0° and longitude 2°5W-8°5’, is more than 100 m deep. The benthic seabed is mainly composed of mud, particular facies and strong m ...
... larval, juvenile and adult forms of red rock crabs, migratory fish including tuna and similar species, and marine mammals. The water in this area, located at latitude 3°N-0° and longitude 2°5W-8°5’, is more than 100 m deep. The benthic seabed is mainly composed of mud, particular facies and strong m ...
Fishes on the Antarctic continental shelf: evolution of a marine
... and unusual in composition, consisting of 213 species with higher taxonomic diversity restricted to 18 families. Ninety-six species of perciform notothenioids comprise 45% of the fish fauna. However in many areas of the shelf, including the highest latitudes, notothenioids make up 77% of the species ...
... and unusual in composition, consisting of 213 species with higher taxonomic diversity restricted to 18 families. Ninety-six species of perciform notothenioids comprise 45% of the fish fauna. However in many areas of the shelf, including the highest latitudes, notothenioids make up 77% of the species ...
Yellow Sea East China Sea - North Pacific Marine Science
... with chlorophyll density in the central waters in the Yellow Sea, that was not the case in the estuaries and stronglymixed zone. A few studies on the bacteriovory showed that abundance of heterotrophic nanoflagellates was 0.4-4.2 x 106 cell l-1 while the grazing rate was 1-30 x106 cell l-1 hr-1 acco ...
... with chlorophyll density in the central waters in the Yellow Sea, that was not the case in the estuaries and stronglymixed zone. A few studies on the bacteriovory showed that abundance of heterotrophic nanoflagellates was 0.4-4.2 x 106 cell l-1 while the grazing rate was 1-30 x106 cell l-1 hr-1 acco ...
IOTC Science Glossary
... Demersal. Found on or near the benthic habitat (c.f. Pelagic). Depletion (stock depletion). Reduction in the biomass of a fish stock. Discards/Discarding. Any part of the catch that is returned to the sea, whether dead or alive. Drifting fish aggregating device (DFAD). Any ‘FAD’ which is not anchore ...
... Demersal. Found on or near the benthic habitat (c.f. Pelagic). Depletion (stock depletion). Reduction in the biomass of a fish stock. Discards/Discarding. Any part of the catch that is returned to the sea, whether dead or alive. Drifting fish aggregating device (DFAD). Any ‘FAD’ which is not anchore ...
The impacts of high seas bottom trawl fisheries
... habitats (especially seamounts) are vulnerable, particularly to bottom trawling. Bottom trawls, or demersal trawls which come in contact with the sea floor, effectively destroy complex habitat, built over centuries or millennia by slow-growing invertebrates. Significant damage has already been done ...
... habitats (especially seamounts) are vulnerable, particularly to bottom trawling. Bottom trawls, or demersal trawls which come in contact with the sea floor, effectively destroy complex habitat, built over centuries or millennia by slow-growing invertebrates. Significant damage has already been done ...
Course description, lessons and learning goals
... Science elective (does not meet science requirement for Brebeuf or state of Indiana) 1 credit course An off-campus, 2 week intensive course (offered on even-numbered years) Prerequisite: Grade 9 Biology This course is an introduction to the biology of the marine environment. Students will travel to ...
... Science elective (does not meet science requirement for Brebeuf or state of Indiana) 1 credit course An off-campus, 2 week intensive course (offered on even-numbered years) Prerequisite: Grade 9 Biology This course is an introduction to the biology of the marine environment. Students will travel to ...
Productivity and biomass of fishes in the California Current Large
... between the decades of 1972–81 and 2002–11 in overall larval fish abundance with these two species removed. Noncommercial fishes comprise a significant proportion of larval fish abundance, with the mesopelagic fishes alone comprising 29.1% of total numbers. For the commercially important fishes that ...
... between the decades of 1972–81 and 2002–11 in overall larval fish abundance with these two species removed. Noncommercial fishes comprise a significant proportion of larval fish abundance, with the mesopelagic fishes alone comprising 29.1% of total numbers. For the commercially important fishes that ...
Chapter 4 - McGraw Hill Higher Education
... sediment behind them and erosion due to wave action (see fig. 4.6). - The surface area and distribution of continental shelves has varied in the past as a result of global changes in sea level produced by large scale melting and freezing of ice sheets. - The steep slope extending to the ocean basin ...
... sediment behind them and erosion due to wave action (see fig. 4.6). - The surface area and distribution of continental shelves has varied in the past as a result of global changes in sea level produced by large scale melting and freezing of ice sheets. - The steep slope extending to the ocean basin ...
CCAMLR Science, 2
... of this species may account for between 40 and 50% of the total biomass of these four species, i.e. from 22.4 to 52 million tonnes. In this case, the annual consumption of zooplankton by E. carlsbergi (based on a consumption rate of seven times body weight per annum) can be estimated at 157 to 364 m ...
... of this species may account for between 40 and 50% of the total biomass of these four species, i.e. from 22.4 to 52 million tonnes. In this case, the annual consumption of zooplankton by E. carlsbergi (based on a consumption rate of seven times body weight per annum) can be estimated at 157 to 364 m ...
The Fishprint of Aquaculture Can the Blue
... value species for subsistence and local market consumption. They are both most likely located in in-shore habitats and are mainly produced on family and cooperative farms in developing countries. On the other hand, intensive aquaculture techniques are used to commercially produce larger marine finfi ...
... value species for subsistence and local market consumption. They are both most likely located in in-shore habitats and are mainly produced on family and cooperative farms in developing countries. On the other hand, intensive aquaculture techniques are used to commercially produce larger marine finfi ...
Radionuclides in deep-sea fish and other
... doses from internal and external radioactive sources of anthropogenic and naturally occurring radionuclides indicates that most of the radiation dose is usually the result of naturally occurring radionuclides (Carvalho and Oliveira, 2008). Much less information is available about radioactivity in th ...
... doses from internal and external radioactive sources of anthropogenic and naturally occurring radionuclides indicates that most of the radiation dose is usually the result of naturally occurring radionuclides (Carvalho and Oliveira, 2008). Much less information is available about radioactivity in th ...
Demersal fish
Demersal fish live and feed on or near the bottom of seas or lakes (the demersal zone). They occupy the sea floors and lake beds, which usually consist of mud, sand, gravel or rocks. In coastal waters they are found on or near the continental shelf, and in deep waters they are found on or near the continental slope or along the continental rise. They are not generally found in the deepest waters, such as abyssal depths or on the abyssal plain, but they can be found around seamounts and islands. The word demersal comes from the Latin demergere, which means to sink.Demersal fish are bottom feeders. They can be contrasted with pelagic fish which live and feed away from the bottom in the open water column. Demersal fish fillets contain little fish oil (one to four percent), whereas pelagic fish can contain up to 30 percent.