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Cascading effects of artificial light at night: resource
Cascading effects of artificial light at night: resource

... In addition to conversion of sunlight into energy via photosynthesis (to which the relatively low light levels experienced by plants under artificial light at night probably make a very minor contribution), plants respond to their natural light environment through photoreceptors, the best understood ...
Red King Crab (Paralithodes camtschaticus) - GB non
Red King Crab (Paralithodes camtschaticus) - GB non

... P. camtschaticus was introduced from the Okhotsk Sea to the Barents Sea by Russian scientists during the 1960s. Larvae, juveniles and adult crabs were intentionally released in the east Barents Sea (Russia) with the aim of creating a valuable fishing resource. Since then, successful breeding populat ...
Conference Abstracts - The Australian Mammal Society
Conference Abstracts - The Australian Mammal Society

... Contact: [email protected]; @CaseyCupcakes ...
The Role of Body Size in Complex Food Webs: A Cold - ePIC
The Role of Body Size in Complex Food Webs: A Cold - ePIC

... composition and trophic structure will affect and seriously threaten important ecosystem functions (Thomas et al., 2004). In the light of these potential threats, a key question ecologists must now answer is how will such losses affect the diversity, structure and functioning of the world’s ecosyste ...
predator-prey relationships and reproduction of the barn owl in
predator-prey relationships and reproduction of the barn owl in

... predator-prey ...
growth rates and body condition of juvenile green turtles
growth rates and body condition of juvenile green turtles

... benefits since rapid growth in the early years allows for reaching sexual maturity sooner and contributing to the breeding population (Bjorndal et al. 2013). Taxa vary in the stage of development at which reproduction occurs because an animal’s ability to reproduce is tied to its life history strat ...
Genetic Diversity
Genetic Diversity

... Eggs hatched (%) ...
WINTER BROWSING BY MOOSE AND HARES IN SUBARCTIC
WINTER BROWSING BY MOOSE AND HARES IN SUBARCTIC

... scales, browsing was mostly randomly distributed. It was concluded that forage density is a cue for moose but only at certain spatial scales. Similarly, a comparison of foraging distribution by hare and moose showed that high birch density was a key factor for both species. In spite of this, hares ...
The Marine Outcomes Monitoring framework
The Marine Outcomes Monitoring framework

... and is designed to meet the needs of decision makers and the general public, most notably for scientific information concerning the consequences of ecosystem change for human welfare and poverty alleviation. Similarly, the Living Planet Index (LPI) is an indicator of the state of global biodiversity ...
Macrobenthic community structure of soft-bottom sediments Lefrere L.
Macrobenthic community structure of soft-bottom sediments Lefrere L.

... than 50% (Fig. 7). The first group, including the marine sites (A, B, G and I), is composed of four sites with a sand bottom and a low specific richness. These sites are located in the downstream part of the lagoon, where the values of temperature and salinity are fairly close to oceanic values. The ...
Oral Presentation Abstracts
Oral Presentation Abstracts

... ants, Formica subintegra and F. pergandei, both parasitize a locally abundant mound-nesting ant species, F. glacialis. Since 2008, over 1000 nest locations of F. glacialis have been mapped in this site, with approximately half of these nests representing currently active colonies. Over a 7-year-peri ...
Tidal power and the aquatic environment of La Rance
Tidal power and the aquatic environment of La Rance

... lifespan of the species or the length of the pelagic phase within their life-cycle. Passive transport of adults also made a significant contribution to their establishment in the Rance Basin. Despite rapid stabilization of environmental conditions once the installation was commissioned, it took 10 y ...
What causes outbreaks of the gypsy moth in North America?
What causes outbreaks of the gypsy moth in North America?

... partially rebounded in the late 1920s. Campbell and Sloan (1977) interpreted this trend to be indicative of a pattern of dual equilibrium dynamics. According to this concept, which has been widely applied to the dynamics of many insects (Southwood and Comins 1976), two stable equilibria exist at bot ...
Ecological role of vertebrate scavengers in urban ecosystems in the
Ecological role of vertebrate scavengers in urban ecosystems in the

... mals, plays a key role in ecosystem structure, functioning, and stability. A growing number of studies suggest that vertebrate scavengers also provide key ecosystem services, the benefits humans gain from the natural world, particularly in the removal of carcasses from the environment. An increasing ...
Experience influences shoal member preference in a species pair of
Experience influences shoal member preference in a species pair of

... of three-spined sticklebacks (Gasterosteus spp.). We altered the social environment of both species, rearing individuals with varying numbers of conspecifics and heterospecifics. We measured the effect of this social experience with heterospecifics on shoaling tendency and shoal member preferences. ...
Darwin`s Galápagos finches in modern biology
Darwin`s Galápagos finches in modern biology

... Introduction. Darwin’s finches in biology that all of these species, though extremely diverse in terms of their shapes and sizes, which presumably reflected differences in diets, were otherwise closely related to each other and, more distantly, to species on the South American mainland (Bowman 1961) ...
Darwin`s Galápagos finches in modern biology
Darwin`s Galápagos finches in modern biology

What causes outbreaks of the gypsy moth in North America?
What causes outbreaks of the gypsy moth in North America?

Matter and Energy in Organisms and Ecosystems
Matter and Energy in Organisms and Ecosystems

... A: living separately, no relationship between 2 species B: living together, close relationship between 2 species 34. What type of relationship is Mutualism? A: One species benefits and the other is not affected at all. B: Both species involved benefit from the relationship. 35. What is Commensalism? ...
Does an evolutionary change in the water sowbug Asellus aquaticus
Does an evolutionary change in the water sowbug Asellus aquaticus

... locally in pigmentation within two Swedish lakes, Lake Tåkern and Lake Krankesjön (Hargeby et al. 2004; 2005; Eroukhmanoff et al. 2009). Both lakes have experienced periodical shift between submerged vegetation dominance and phytoplankton dominance (Blindow et al. 1993). In these lakes, isopods show ...
Get cached
Get cached

... This curriculum focuses on the coastal ecosystem in the Gulf of the Farallones. Birds, the sandy beach, and oceanographic currents are all connected in this ecosystem. One goal of this curriculum is to teach high school students about the natural connections in the ecosystem and how humans fit into ...
Environmental Science Chapter 2 Note NB
Environmental Science Chapter 2 Note NB

... ____________________ when they do not believe everything they are told. 28. In an experiment, the group that receives the experimental treatment is called the _________________________. 29. Maps and charts are examples of ____________________ models. 30. Scientists use statistics to describe _______ ...
Similarity and difference in vegetation structure of three desert shrub
Similarity and difference in vegetation structure of three desert shrub

... powerful tool for ecological community data, and it appears to provide a better fit to ecological data than may be obtained using other ordination techniques (McCune and Grace, 2002). The Sørenson (Bray–Curtis) distance with a random starting configuration was used for these analyses. Random startin ...
size: 3023KB - iucncsg.org
size: 3023KB - iucncsg.org

... Following his tenure at YWC, Phil was transferred to the SCDNR Heritage Trust Section and charged with developing and implementing biological research and surveys of nongame and endangered species in coastal South Carolina including the loggerhead sea turtle and American alligator as well as numerou ...
Here - American Society of Mammalogists
Here - American Society of Mammalogists

... Program in Ecology and Department of Zoology and Physiology, University of Wyoming, Laramie, WY 82091 USA; National Museums of Kenya, Nairobi, Kenya; Hirola Conservation Program, Garissa, Kenya Range Collapse, Demography and Habitat Selection of the Critically Endangered Hirola Antelope (Beatragus h ...
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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.
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