Hide and Seek in the Open Sea: Pelagic
... accessibility. Simply getting the correct equipment offshore is challenging, often requiring expensive ship time that must be scheduled a year in advance. Using this equipment to then probe the physiology and behavior of animals at depth, ideally without disturbing them, is often impossible. Even su ...
... accessibility. Simply getting the correct equipment offshore is challenging, often requiring expensive ship time that must be scheduled a year in advance. Using this equipment to then probe the physiology and behavior of animals at depth, ideally without disturbing them, is often impossible. Even su ...
Feeding Habits of Fish Species Distributed on the Grand Bank
... assemblages, and other aspects of fish ecology such as feeding habits and habitat requirements, can provide advice in relation to ecosystem, biodiversity and nature conservation issues. The analysis of community dynamics depends partly on the measurement of how organisms utilize their environment. O ...
... assemblages, and other aspects of fish ecology such as feeding habits and habitat requirements, can provide advice in relation to ecosystem, biodiversity and nature conservation issues. The analysis of community dynamics depends partly on the measurement of how organisms utilize their environment. O ...
Northeast - Trout Unlimited
... the famed salter brook trout fisheries. Commissioner Theodore Lyman purchased land on Red Brook, where he proceeded to protect the stream and its anadromous brook trout. By the 1970s the Lyman family had acquired almost 640 acres along 75 percent of Red Brook proper. In 1988, a Red Brook Trust was e ...
... the famed salter brook trout fisheries. Commissioner Theodore Lyman purchased land on Red Brook, where he proceeded to protect the stream and its anadromous brook trout. By the 1970s the Lyman family had acquired almost 640 acres along 75 percent of Red Brook proper. In 1988, a Red Brook Trust was e ...
Multiple diversity–stability mechanisms enhance population and
... Each of the 12 zooplankton communities was replicated eight times for a total of 96 replicates. Half of the replicates were maintained under ‘‘constant’’ nutrient environments and half under ‘‘variable’’ nutrient environments. The environmental variability treatment was created to help distinguish b ...
... Each of the 12 zooplankton communities was replicated eight times for a total of 96 replicates. Half of the replicates were maintained under ‘‘constant’’ nutrient environments and half under ‘‘variable’’ nutrient environments. The environmental variability treatment was created to help distinguish b ...
South Equatorial Current (SEC) driven changes at DSDP Site 237
... and Thunell, 1993; Gooday, 1994; Wells et al., 1994; Gupta, 1997; Jannink et al., 1998). Murray (2001) argued that benthic foraminifera have the potential to serve as proxies for very low values of oxygen. However, once oxygen is sufficient, they cease to be effective proxies. The present study is a ...
... and Thunell, 1993; Gooday, 1994; Wells et al., 1994; Gupta, 1997; Jannink et al., 1998). Murray (2001) argued that benthic foraminifera have the potential to serve as proxies for very low values of oxygen. However, once oxygen is sufficient, they cease to be effective proxies. The present study is a ...
Fredrik Olajos
... at utilizing specific habitats and resources (Kahilainen & Østbye 2006). Resource polymorphism can develop rapidly in young species poor systems, where unsaturated niches and low levels of inter-specific competition promote diversification. Examples of such environments are newly formed islands and ...
... at utilizing specific habitats and resources (Kahilainen & Østbye 2006). Resource polymorphism can develop rapidly in young species poor systems, where unsaturated niches and low levels of inter-specific competition promote diversification. Examples of such environments are newly formed islands and ...
DISPERSAL LIMITATION, INVASION RESISTANCE, AND THE
... for copepods (excluding nauplii and unidentifiable copepodid stages), 325.8 for cladocerans, and 5.5 for rotifers. Although cladocerans and rotifers are primarily asexual and therefore less susceptible than sexual taxa to Allee effects (positive density-dependent population growth) or stochastic ext ...
... for copepods (excluding nauplii and unidentifiable copepodid stages), 325.8 for cladocerans, and 5.5 for rotifers. Although cladocerans and rotifers are primarily asexual and therefore less susceptible than sexual taxa to Allee effects (positive density-dependent population growth) or stochastic ext ...
Document
... 133others species has been set to 0, except for detritus ( Y١ = − ١٠٠٠ tons/km², which correspond of 134an import of detritus). 135The following figures present some results for given values of biomasses of each species. The 136boundaries of the axes are the constraints defined on the species repre ...
... 133others species has been set to 0, except for detritus ( Y١ = − ١٠٠٠ tons/km², which correspond of 134an import of detritus). 135The following figures present some results for given values of biomasses of each species. The 136boundaries of the axes are the constraints defined on the species repre ...
Opposite responses by an intertidal predator to *, Sarah E. Gilman
... N. ostrina exposed to the highest emersed body temperature (28°C) when compared with intermediate (20°C) and cooler (12°C) aerial temperatures. Thus, while B. glandula may suffer greater predation-related mortality in warmer water temperatures, it may actually experience a release from predation if ...
... N. ostrina exposed to the highest emersed body temperature (28°C) when compared with intermediate (20°C) and cooler (12°C) aerial temperatures. Thus, while B. glandula may suffer greater predation-related mortality in warmer water temperatures, it may actually experience a release from predation if ...
Chen, Bingzhang, Michael R. Landry, Bangqin Huang
... and then declines. These complex responses of m : m result from mixed effects of temperature and chlorophyll on microzooplankton biomass (Bz), biomass-specific microzooplankton grazing rate (m : Bz), and phytoplankton growth rate (m). Bz decreases with rising temperature and increases with rising ch ...
... and then declines. These complex responses of m : m result from mixed effects of temperature and chlorophyll on microzooplankton biomass (Bz), biomass-specific microzooplankton grazing rate (m : Bz), and phytoplankton growth rate (m). Bz decreases with rising temperature and increases with rising ch ...
Whiles et al. 2006 (Frontiers)
... (Regester et al. in press). These authors estimated an average net flux of 350 g AFDM (ash-free dry mass) yr'1 into small forest ponds in southern Illinois, USA and, overall, that the contribution of salamanders to energy flow in these systems, in terms of egg inputs and larval production, was subst ...
... (Regester et al. in press). These authors estimated an average net flux of 350 g AFDM (ash-free dry mass) yr'1 into small forest ponds in southern Illinois, USA and, overall, that the contribution of salamanders to energy flow in these systems, in terms of egg inputs and larval production, was subst ...
Learning objectives
... 10. Explain how habitat selection may limit distribution of a species within its range of suitable habitats. 11. Describe, with examples, how biotic and abiotic factors may affect the distribution of organisms. 12. List the four abiotic factors that are the most important components of climate. 13. ...
... 10. Explain how habitat selection may limit distribution of a species within its range of suitable habitats. 11. Describe, with examples, how biotic and abiotic factors may affect the distribution of organisms. 12. List the four abiotic factors that are the most important components of climate. 13. ...
Tadpoles, Predation and Pond Habitats in the Tropics
... the four habitats. We suggest that the well-developed lateral line system of L. pentadactylus as compared to other Leptodactylus tadpoles is important in prey detection and capture. Significant differences were obtained in comparing results of the L. pentadactylus and Hyla rosenbergi experiments dep ...
... the four habitats. We suggest that the well-developed lateral line system of L. pentadactylus as compared to other Leptodactylus tadpoles is important in prey detection and capture. Significant differences were obtained in comparing results of the L. pentadactylus and Hyla rosenbergi experiments dep ...
Resource partitioning for soil phosphorus: a hypothesis
... a relatively phosphorus-rich soil with abundant dissolved phosphate Species A would be expected to dominate, whereas in a low-phosphorus soil in which the turnover of organic phosphorus is of key importance for plant nutrition Species D would be most abundant. Phosphorus gradients occur naturally al ...
... a relatively phosphorus-rich soil with abundant dissolved phosphate Species A would be expected to dominate, whereas in a low-phosphorus soil in which the turnover of organic phosphorus is of key importance for plant nutrition Species D would be most abundant. Phosphorus gradients occur naturally al ...
Untitled - Bio
... edition of Ecology, it was a generalist book, designed to overcome the opposition of all competing textbooks. Much more recently, we have been persuaded to use our ‘big book’ as a springboard to produce a smaller, less demanding text, Essentials of Ecology (also published by Blackwell Publishing!), ...
... edition of Ecology, it was a generalist book, designed to overcome the opposition of all competing textbooks. Much more recently, we have been persuaded to use our ‘big book’ as a springboard to produce a smaller, less demanding text, Essentials of Ecology (also published by Blackwell Publishing!), ...
JMS 70_4 353-358 eyh040 FINAL
... features include thick protective shells and an operculum. These special morphological features may have evolved during the many years of coexistence of snails and their predators (Vermeij, 1974; Vermeij & Covich, 1978; Palmer, 1979). Snails can escape predation if they are too large for the predato ...
... features include thick protective shells and an operculum. These special morphological features may have evolved during the many years of coexistence of snails and their predators (Vermeij, 1974; Vermeij & Covich, 1978; Palmer, 1979). Snails can escape predation if they are too large for the predato ...
TOPIC 2 - MARKING SCHEME - International School Bangkok
... (If candidate states total population CO2 production and food consumption, then population number is superfluous.) Other correct answers are acceptable but those above are on syllabus. ...
... (If candidate states total population CO2 production and food consumption, then population number is superfluous.) Other correct answers are acceptable but those above are on syllabus. ...
13.1 Ecologists Study Relationships
... energy from the sunlight. Of that energy, 10.6% is transferred to the insects. The insects are then eaten by lizards, which receive 9.9% of the available energy. Finally, 9.4% of the energy is transferred to the hawk when they eat the lizards. How much energy is available at the tertiary consumer le ...
... energy from the sunlight. Of that energy, 10.6% is transferred to the insects. The insects are then eaten by lizards, which receive 9.9% of the available energy. Finally, 9.4% of the energy is transferred to the hawk when they eat the lizards. How much energy is available at the tertiary consumer le ...
Application of a predator–prey overlap metric to determine the
... production (Barange, 1994; Zhang et al., 2013), and the biomass production of higher trophic levels (Cotte et al., 2007). Thin layers are aggregations of plankton (.2× background concentration) that span ,5 m in the vertical direction and sometimes several kilometres in the horizontal (Dekshenieks e ...
... production (Barange, 1994; Zhang et al., 2013), and the biomass production of higher trophic levels (Cotte et al., 2007). Thin layers are aggregations of plankton (.2× background concentration) that span ,5 m in the vertical direction and sometimes several kilometres in the horizontal (Dekshenieks e ...
Standard Test 3- Nine weeks Exam Answer Section
... a. They change carbon monoxide from the form in air into forms useful to plants and animals. b. They change carbon dioxide from the form in air into forms useful to plants and animals. c. They change nitrogen from the form in air into forms useful to plants and animals. d. They change oxygen from th ...
... a. They change carbon monoxide from the form in air into forms useful to plants and animals. b. They change carbon dioxide from the form in air into forms useful to plants and animals. c. They change nitrogen from the form in air into forms useful to plants and animals. d. They change oxygen from th ...
Food web assembly rules
... chain of directed pairings where the direction is maintained and the last element connects to the first. A directed pairing represents one nonzero matrix element, whereas a pairing also includes the symmetric element. Empirical food web data. We use high-resolution data on seven food webs including ...
... chain of directed pairings where the direction is maintained and the last element connects to the first. A directed pairing represents one nonzero matrix element, whereas a pairing also includes the symmetric element. Empirical food web data. We use high-resolution data on seven food webs including ...