Community patterns in sandy beaches of Chile: richness
... Ecology deals with the variability of natural systems. The standard scientific approach to explain this variability involve the following steps: (1) identify patterns of variation, (2) infer possible processes and mechanisms capable of generating the patterns detected, (3) propose explicative hypoth ...
... Ecology deals with the variability of natural systems. The standard scientific approach to explain this variability involve the following steps: (1) identify patterns of variation, (2) infer possible processes and mechanisms capable of generating the patterns detected, (3) propose explicative hypoth ...
GROWTH AND PRODUCTION OF THE BARNACLE BALANUS
... are estuarine or marine, sessile, filter-feeding organisms. The life cycle involves six free-swimming nauplius stages and a bivalved cypris larva which settles generally on intertidal or subtidal hard substrata, before metamorphosing to the adult form. Since most barnacles can be easily identified, ...
... are estuarine or marine, sessile, filter-feeding organisms. The life cycle involves six free-swimming nauplius stages and a bivalved cypris larva which settles generally on intertidal or subtidal hard substrata, before metamorphosing to the adult form. Since most barnacles can be easily identified, ...
Lecture notes from week number 1
... to other classifications before they are put into an ecological context. Teleological classifications define sets (not taxa): according to their usefulness or lack of it with respect to humans. Examples: 1. Edible, non edible 2. Domesticated animals, draft animals, meat animals, pets. -------------- ...
... to other classifications before they are put into an ecological context. Teleological classifications define sets (not taxa): according to their usefulness or lack of it with respect to humans. Examples: 1. Edible, non edible 2. Domesticated animals, draft animals, meat animals, pets. -------------- ...
A hierarchical deductive approach for functional types in disturbed
... understanding of plant functional traits and on local data availability. Furthermore, it is essential to recognize that the specific values for assigning the corresponding attribute of each trait (i.e. high/low or yes/no) for a given species may depend on the ecosystem under study and the local spec ...
... understanding of plant functional traits and on local data availability. Furthermore, it is essential to recognize that the specific values for assigning the corresponding attribute of each trait (i.e. high/low or yes/no) for a given species may depend on the ecosystem under study and the local spec ...
Ecological Factors Affecting Community Invasibility
... Over the past few decades, we have seen substantial progress in understanding biological invasions, including the identification of several factors that affect community invasibility. While there is a growing body of research on invasibility in marine systems, the majority of studies are from terres ...
... Over the past few decades, we have seen substantial progress in understanding biological invasions, including the identification of several factors that affect community invasibility. While there is a growing body of research on invasibility in marine systems, the majority of studies are from terres ...
When Does Alternative Food Promote Biological Pest
... carnivorous mites and herbivorous thrips with generation times of about 3 weeks, populations were already within the 10% range of their equilibrium level after 12 weeks following their introduction in a cucumber crop (Van Rijn et al. 2002). After this period the impact of a regularly supplied food s ...
... carnivorous mites and herbivorous thrips with generation times of about 3 weeks, populations were already within the 10% range of their equilibrium level after 12 weeks following their introduction in a cucumber crop (Van Rijn et al. 2002). After this period the impact of a regularly supplied food s ...
Mar 20
... How do the factors that drive NPP differ between marine and terrestrial ecosystems? the basic processes of plant photosynthesis are the same for terrestrial and marine/aquatic plants the key factors must be the physical and chemical properties of the environments in which plant growth occurs, ...
... How do the factors that drive NPP differ between marine and terrestrial ecosystems? the basic processes of plant photosynthesis are the same for terrestrial and marine/aquatic plants the key factors must be the physical and chemical properties of the environments in which plant growth occurs, ...
Cryptic species, cryptic endosymbionts, and geographical variation
... Genetic variation of bacteria associated with B. neritina To identify the bacterial associates of the different bryozoans, we amplified and sequenced > 1000 bp of the bacterial gene encoding the small ribosomal subunit (SSU rRNA). SSU amplification was a two-step process. First, general bacterial pr ...
... Genetic variation of bacteria associated with B. neritina To identify the bacterial associates of the different bryozoans, we amplified and sequenced > 1000 bp of the bacterial gene encoding the small ribosomal subunit (SSU rRNA). SSU amplification was a two-step process. First, general bacterial pr ...
Media Release
... examines 15 years of data from NASA’s Terra and Aqua satellites, which orbit and study the Earth. The comprehensive observations enabled the scientists to build a database containing two images per day of cloud cover for nearly every square kilometer of the planet from 2000 to 2014. While clouds mig ...
... examines 15 years of data from NASA’s Terra and Aqua satellites, which orbit and study the Earth. The comprehensive observations enabled the scientists to build a database containing two images per day of cloud cover for nearly every square kilometer of the planet from 2000 to 2014. While clouds mig ...
Limitations on reproductive success in endemic Aquilegia
... number and quality of seeds produced (Sih and Baltus 1987; Burd 1994; Ågren 1996; Charpentier et al. 2000) although the effects of such pollinator limitation may be highly variable in space and time (Baker et al. 2000). An important point to recognise here is that pollination and herbivory can have ...
... number and quality of seeds produced (Sih and Baltus 1987; Burd 1994; Ågren 1996; Charpentier et al. 2000) although the effects of such pollinator limitation may be highly variable in space and time (Baker et al. 2000). An important point to recognise here is that pollination and herbivory can have ...
CCG: Formulate and express scientific questions or hypotheses to
... that habitat. Identify and describe the factors that influence or change the balance of populations in their environment. Identify that sunlight is the major source of energy in most ecosystems and that energy then passes from organism to organism in food webs. Identify populations of organisms with ...
... that habitat. Identify and describe the factors that influence or change the balance of populations in their environment. Identify that sunlight is the major source of energy in most ecosystems and that energy then passes from organism to organism in food webs. Identify populations of organisms with ...
minimum group size and other conservation
... groups (Isbell et al,, 1991). This invariably happened soon after the group lost its penultimate adult. For the three groups closely monitored at the time of fusion, fusion occurred within five days of this event. In contrast, groups appeared to be essentially stable as long as they consisted of at ...
... groups (Isbell et al,, 1991). This invariably happened soon after the group lost its penultimate adult. For the three groups closely monitored at the time of fusion, fusion occurred within five days of this event. In contrast, groups appeared to be essentially stable as long as they consisted of at ...
Results and recommendations from the Ecosystem Research
... and especially shellfish, whose biomass increased significantly. Even though this collapse is often associated primarily with Atlantic cod in the early 1990s, declines in several functional groups started in the early 1980s. The collapse was observed throughout the system and involved commercial and ...
... and especially shellfish, whose biomass increased significantly. Even though this collapse is often associated primarily with Atlantic cod in the early 1990s, declines in several functional groups started in the early 1980s. The collapse was observed throughout the system and involved commercial and ...
CONSERVATION PLANNING IN THE GREATER ADDO NATIONAL
... considerably between species, depending on sex ratio, mating strategies, reproductive output and other life history strategies. However, for most of the species considered here these data are not available and hence this is, again, a first approximation that can be modified as species and population ...
... considerably between species, depending on sex ratio, mating strategies, reproductive output and other life history strategies. However, for most of the species considered here these data are not available and hence this is, again, a first approximation that can be modified as species and population ...
ADAPTIVE RADIATION OF THE NEW ZEALAND GECKOS
... Minis and Maxis An Example of Parallel Evolution Victoria University post-graduate Rod Hitchmough investigated populations of common gecko for his thesis. He quickly noticed that in each of several regions around the country there appeared to be two distinct populations based on size. Rod quickly d ...
... Minis and Maxis An Example of Parallel Evolution Victoria University post-graduate Rod Hitchmough investigated populations of common gecko for his thesis. He quickly noticed that in each of several regions around the country there appeared to be two distinct populations based on size. Rod quickly d ...
Ecosystem Report 2 - SD43 Teacher Sites
... and beyond. While we have in many ways made the Earth a better place to live, our actions have also created many grave problems for other species. Further, our actions are now impacting all creatures, including ourselves. We are the only species on the planet with the ability to change the mistakes ...
... and beyond. While we have in many ways made the Earth a better place to live, our actions have also created many grave problems for other species. Further, our actions are now impacting all creatures, including ourselves. We are the only species on the planet with the ability to change the mistakes ...
AN EXAMPLE FROM THE CALIFORNIA CHAPARRAL
... canopy and then on.ly in gaps which are few and far between. It is unknown whether or not these saplings are aole to survive and resprout after fires in these very old stands. If so, they may represent a form of "advance reproduction;' ultimately dependent upon return of fire to the site. ...
... canopy and then on.ly in gaps which are few and far between. It is unknown whether or not these saplings are aole to survive and resprout after fires in these very old stands. If so, they may represent a form of "advance reproduction;' ultimately dependent upon return of fire to the site. ...
A framework for community and ecosystem
... arise from interactions with other species that comprise the community. Whether particular species contribute to community phenotypes depends on how genetically based traits within species interact to influence the fitness of other species. Recent findings suggest that the variation in community and ...
... arise from interactions with other species that comprise the community. Whether particular species contribute to community phenotypes depends on how genetically based traits within species interact to influence the fitness of other species. Recent findings suggest that the variation in community and ...
Experimental test of plant defence evolution in four species using
... over short time-scales, few studies have experimentally examined what defence traits most commonly evolve and whether multiple coexisting species exhibit similar evolutionary responses to herbivores. 2. We addressed these questions using a long-term experiment at Silwood Park, England, United Kingdo ...
... over short time-scales, few studies have experimentally examined what defence traits most commonly evolve and whether multiple coexisting species exhibit similar evolutionary responses to herbivores. 2. We addressed these questions using a long-term experiment at Silwood Park, England, United Kingdo ...
Module 3: Ocean Connections - University of Miami Shark Research
... within species, between species and of ecosystems. The three domains of life, bacteria, archaea and eukarya are present in the marine environment. In addition there are viruses. About 230,000 species of marine plants and animals have been scientifically described and a few thousand bacteria and arch ...
... within species, between species and of ecosystems. The three domains of life, bacteria, archaea and eukarya are present in the marine environment. In addition there are viruses. About 230,000 species of marine plants and animals have been scientifically described and a few thousand bacteria and arch ...
74KB - NZQA
... linking biological ideas to explain why the responses provide an adaptive advantage for the organism in relation to its ecological niche. The linking of ideas may involve justifying, relating, evaluating, comparing and contrasting, and analysing. ...
... linking biological ideas to explain why the responses provide an adaptive advantage for the organism in relation to its ecological niche. The linking of ideas may involve justifying, relating, evaluating, comparing and contrasting, and analysing. ...
The interacting effects of temperature and food chain length on
... temperature dependency during different phases of population dynamics. The addition of a predator altered the temperature-density relationship of prey, from a unimodal trend to a negative one. Bacterial decomposition was greatest in the presence of consumers at higher temperatures. 4. These results ...
... temperature dependency during different phases of population dynamics. The addition of a predator altered the temperature-density relationship of prey, from a unimodal trend to a negative one. Bacterial decomposition was greatest in the presence of consumers at higher temperatures. 4. These results ...
Theoretical ecology
Theoretical ecology is the scientific discipline devoted to the study of ecological systems using theoretical methods such as simple conceptual models, mathematical models, computational simulations, and advanced data analysis. Effective models improve understanding of the natural world by revealing how the dynamics of species populations are often based on fundamental biological conditions and processes. Further, the field aims to unify a diverse range of empirical observations by assuming that common, mechanistic processes generate observable phenomena across species and ecological environments. Based on biologically realistic assumptions, theoretical ecologists are able to uncover novel, non-intuitive insights about natural processes. Theoretical results are often verified by empirical and observational studies, revealing the power of theoretical methods in both predicting and understanding the noisy, diverse biological world.The field is broad and includes foundations in applied mathematics, computer science, biology, statistical physics, genetics, chemistry, evolution, and conservation biology. Theoretical ecology aims to explain a diverse range of phenomena in the life sciences, such as population growth and dynamics, fisheries, competition, evolutionary theory, epidemiology, animal behavior and group dynamics, food webs, ecosystems, spatial ecology, and the effects of climate change.Theoretical ecology has further benefited from the advent of fast computing power, allowing the analysis and visualization of large-scale computational simulations of ecological phenomena. Importantly, these modern tools provide quantitative predictions about the effects of human induced environmental change on a diverse variety of ecological phenomena, such as: species invasions, climate change, the effect of fishing and hunting on food network stability, and the global carbon cycle.