SEMESTER AT SEA COURSE SYLLABUS
... COURSE DESCRIPTION: This course explores the biology of the oceans, which cover about 70% of the Earth’s surface. The course begins with an introduction to the oceans as physical habitats, including ocean currents, topographical structure, climate regimes, and ocean chemistry. The course then examin ...
... COURSE DESCRIPTION: This course explores the biology of the oceans, which cover about 70% of the Earth’s surface. The course begins with an introduction to the oceans as physical habitats, including ocean currents, topographical structure, climate regimes, and ocean chemistry. The course then examin ...
2008 Reichmuth, C. Hearing in marine carnivores
... sensitivity to intense sounds above 150 kHz has been documented in some species. The hearing of otariid and odobenid pinnipeds underwater is relatively similar, with the marked exception of a sharp upper frequency cutoff around 30 kHz for the sea lions and fur seals and around 15 kHz for the walrus. ...
... sensitivity to intense sounds above 150 kHz has been documented in some species. The hearing of otariid and odobenid pinnipeds underwater is relatively similar, with the marked exception of a sharp upper frequency cutoff around 30 kHz for the sea lions and fur seals and around 15 kHz for the walrus. ...
Introduction to Phylum Chordata
... • Resembles Amphioxus, and may very well be an early cephalochordate ...
... • Resembles Amphioxus, and may very well be an early cephalochordate ...
Global Ocean Legacy - The Pew Charitable Trusts
... Research shows that large, fully protected marine reserves are vital to rebuilding species abundance and diversity and protecting the overall health of the marine environment6, but less than 2 percent of the ocean is fully protected, compared with about 15 percent of land. When Yellowstone National ...
... Research shows that large, fully protected marine reserves are vital to rebuilding species abundance and diversity and protecting the overall health of the marine environment6, but less than 2 percent of the ocean is fully protected, compared with about 15 percent of land. When Yellowstone National ...
Animal Adaptations - Hatfield Marine Science Center
... Most clams reproduce sexually by releasing large numbers of eggs and sperm into the water where fertilization occurs. Clam larvae are planktonic and are carried by ocean currents for several weeks before they undergo metamorphosis and settle to the bottom. Clams have a muscular foot that they use to ...
... Most clams reproduce sexually by releasing large numbers of eggs and sperm into the water where fertilization occurs. Clam larvae are planktonic and are carried by ocean currents for several weeks before they undergo metamorphosis and settle to the bottom. Clams have a muscular foot that they use to ...
Chapter 15 - Life Near the Surface
... their ______________________________. This also helps to keep them from _____________________. ...
... their ______________________________. This also helps to keep them from _____________________. ...
Seascape genetics along a steep cline: using genetic patterns to test
... behaviour (usually changes in vertical depth over time), growth rates, mortality, and habitat preferences. Data on larval behaviour and growth are often derived from laboratory studies (see Pfeiffer-Herbert et al. 2007 for an example). The result is a series of larval movement predictions over short ...
... behaviour (usually changes in vertical depth over time), growth rates, mortality, and habitat preferences. Data on larval behaviour and growth are often derived from laboratory studies (see Pfeiffer-Herbert et al. 2007 for an example). The result is a series of larval movement predictions over short ...
Key to marine arthropod larvae
... is fundamentally different until metamorphosis”. Williamson (1992) offers an alternative interpretation proposing that the larva of many animal clades resulted from the hybridization of two different clades after the adult lineages of both clades had been established. This non - Darwinian mode of ev ...
... is fundamentally different until metamorphosis”. Williamson (1992) offers an alternative interpretation proposing that the larva of many animal clades resulted from the hybridization of two different clades after the adult lineages of both clades had been established. This non - Darwinian mode of ev ...
North Atlantic coastal ecosystems at threat due to climate change
... Rising temperatures, acidified seawater and increased storminess are driving profound changes in the marine ecosystems of the North Atlantic, according to a new report. These changes to the climate, combined with increasing levels of pressure placed on the marine environment from man, are affecting ...
... Rising temperatures, acidified seawater and increased storminess are driving profound changes in the marine ecosystems of the North Atlantic, according to a new report. These changes to the climate, combined with increasing levels of pressure placed on the marine environment from man, are affecting ...
CoML Annual Report to the Scientific Committee on Oceanic Research
... project of CoML after 2010, giving scientists and resource managers a highly detailed picture of marine conditions and the migrations of fish and ocean animals throughout the world. Contributions to the community The Ocean Biogeographic Information System (OBIS) is currently serving over 13 million ...
... project of CoML after 2010, giving scientists and resource managers a highly detailed picture of marine conditions and the migrations of fish and ocean animals throughout the world. Contributions to the community The Ocean Biogeographic Information System (OBIS) is currently serving over 13 million ...
Moss_UTL_GOA-IERP_jul
... – Improve our understanding of the variability in this ecosystem through regional comparison of recruitment variability in five predatory fish species and examine the effects of this variability on top level predators such as seabirds and Steller sea lions ...
... – Improve our understanding of the variability in this ecosystem through regional comparison of recruitment variability in five predatory fish species and examine the effects of this variability on top level predators such as seabirds and Steller sea lions ...
Chapter 16: Marine and Costal Systems
... smaller and less desirable species are targeted now because of the lack of the commonly fished in the past to prevent this, consumers can chose which product to buy according to fishing practices ...
... smaller and less desirable species are targeted now because of the lack of the commonly fished in the past to prevent this, consumers can chose which product to buy according to fishing practices ...
ontogeny of cardiovascular and respiratory
... undisturbed animals within the egg is about 120 beats/min. The act of hatching, which is an explosive event requiring a few seconds of intense locomotoractivity, results in an increase infn to nearly 160 beats/min within a rain or less of hatching, and whichpersists for at least two hr following hat ...
... undisturbed animals within the egg is about 120 beats/min. The act of hatching, which is an explosive event requiring a few seconds of intense locomotoractivity, results in an increase infn to nearly 160 beats/min within a rain or less of hatching, and whichpersists for at least two hr following hat ...
Influence of oceanographic processes on the early life stages of the
... endangered species motivated the Mexican Government to declare it as a Biosphere Reserve in 1993. In this work, we found shrimp postlarvae from reproductive units outside the reserve, but there are huge variations of abundance between the mainland coast and the peninsula coast due to physical factor ...
... endangered species motivated the Mexican Government to declare it as a Biosphere Reserve in 1993. In this work, we found shrimp postlarvae from reproductive units outside the reserve, but there are huge variations of abundance between the mainland coast and the peninsula coast due to physical factor ...
Handout Part 2 - Macroinvertebrates
... Nymphs usually live beneath stones in fast-moving, clean water. They feed on algae, lichens, and rotting vegetation. Some are predators As they grow the nymphs molt (often more than a dozen times. Some take a year to become adults, some take two years. Adults emerge near the edge of the stream, some ...
... Nymphs usually live beneath stones in fast-moving, clean water. They feed on algae, lichens, and rotting vegetation. Some are predators As they grow the nymphs molt (often more than a dozen times. Some take a year to become adults, some take two years. Adults emerge near the edge of the stream, some ...
Chapter 13: PELAGIC COMMUNITIES
... Seawater may seem to be an ideal habitat, but living in it does present difficulties. These most successful vertebrates have structures and behaviors to cope. Among them are adaptations of movement, shape, and propulsion. Active fish usually have streamlined shapes that make their propulsive efforts ...
... Seawater may seem to be an ideal habitat, but living in it does present difficulties. These most successful vertebrates have structures and behaviors to cope. Among them are adaptations of movement, shape, and propulsion. Active fish usually have streamlined shapes that make their propulsive efforts ...
as a PDF
... metamorphosis. If a population of fishes had evolved a sessile habit, so that at an early stage they became attached to the bottom and fed with a pharyngeal filter, then the functional burden on notochorddependent structures would have decreased for these vertebrates, and we might see viable fish in ...
... metamorphosis. If a population of fishes had evolved a sessile habit, so that at an early stage they became attached to the bottom and fed with a pharyngeal filter, then the functional burden on notochorddependent structures would have decreased for these vertebrates, and we might see viable fish in ...
The Biogeography of Marine Invertebrate Life Histories
... histories should lead to more effective management (Palumbi 2003). The ecological dynamics of any marine species is affected by its life history: Species with long-lived, far-dispersing larvae can have different population dynamics from species with short-lived larvae (Eckert 2003, Kinlan & Gaines 2 ...
... histories should lead to more effective management (Palumbi 2003). The ecological dynamics of any marine species is affected by its life history: Species with long-lived, far-dispersing larvae can have different population dynamics from species with short-lived larvae (Eckert 2003, Kinlan & Gaines 2 ...
Thessalou-Legaki et al. 2006
... The tropical Atlantic grapsid crab Percnon gibbesi (H. Milne Edwards, 1853) may be regarded as the most invasive decapod currently expanding its distribution in the Mediterranean Sea. The present paper records its presence in Greek waters since 2004. The species seems well established along the coas ...
... The tropical Atlantic grapsid crab Percnon gibbesi (H. Milne Edwards, 1853) may be regarded as the most invasive decapod currently expanding its distribution in the Mediterranean Sea. The present paper records its presence in Greek waters since 2004. The species seems well established along the coas ...
Chapter 10 1. When the adult of a descendant species resembles
... The simple eyespots seen in most turbellarians are called ocelli. auricles. statocysts. chemoreceptors. plasmids. ...
... The simple eyespots seen in most turbellarians are called ocelli. auricles. statocysts. chemoreceptors. plasmids. ...
Going against the flow: Retention, range limits and invasions in
... ABSTRACT: Increasing globalization has spread invasive marine organisms, but it is not well understood why some species invade more readily than others. It is also poorly understood how species’ range limits are set generally, let alone how anthropogenic climate change may disrupt existing species b ...
... ABSTRACT: Increasing globalization has spread invasive marine organisms, but it is not well understood why some species invade more readily than others. It is also poorly understood how species’ range limits are set generally, let alone how anthropogenic climate change may disrupt existing species b ...
O ceanography THE OffICIAL MAGAzINE Of THE OCEANOGRAPHY SOCIETY
... and larvae in general, is identifying them from a mixed larval pool. In ephemeral hydrothermal vent ecosystems, the arrival of species through larval exchange drives benthic community composition and dynamics, including recolonization of disturbed habitat and succession. Species from the same family ...
... and larvae in general, is identifying them from a mixed larval pool. In ephemeral hydrothermal vent ecosystems, the arrival of species through larval exchange drives benthic community composition and dynamics, including recolonization of disturbed habitat and succession. Species from the same family ...
A Book About he Upper Esopus Creek t
... of water in and out of its abdomen. Some behaviors that help it survive are its speed, hunting skills, and mating. Life cycle The dragonfly goes through incomplete metamorphosis. The dragonfly lives in the stream for most of its life. It starts as an egg, and then goes to a nymph, then finally its a ...
... of water in and out of its abdomen. Some behaviors that help it survive are its speed, hunting skills, and mating. Life cycle The dragonfly goes through incomplete metamorphosis. The dragonfly lives in the stream for most of its life. It starts as an egg, and then goes to a nymph, then finally its a ...