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Biology –The natural science that studies life. Areas of focus include structure,function,growth,origin,evolution,distribution,and taxonomy.
Ecology is the natural science of the relationships among living organisms,including humans,and their physical environment. Ecology considers organisms at the individual,population,community,ecosystem,and biosphere level. Ecology overlaps with the closely related sciences of biogeography,evolutionary biology,genetics,ethology,and natural history.
Toxicology is a scientific discipline,overlapping with biology,chemistry,pharmacology,and medicine,that involves the study of the adverse effects of chemical substances on living organisms and the practice of diagnosing and treating exposures to toxins and toxicants. The relationship between dose and its effects on the exposed organism is of high significance in toxicology. Factors that influence chemical toxicity include the dosage,duration of exposure,route of exposure,species,age,sex,and environment. Toxicologists are experts on poisons and poisoning. There is a movement for evidence-based toxicology as part of the larger movement towards evidence-based practices. Toxicology is currently contributing to the field of cancer research,since some toxins can be used as drugs for killing tumor cells. One prime example of this is ribosome-inactivating proteins,tested in the treatment of leukemia.
In ecology,a niche is the match of a species to a specific environmental condition. It describes how an organism or population responds to the distribution of resources and competitors and how it in turn alters those same factors. "The type and number of variables comprising the dimensions of an environmental niche vary from one species to another [and] the relative importance of particular environmental variables for a species may vary according to the geographic and biotic contexts".
Human ecology is an interdisciplinary and transdisciplinary study of the relationship between humans and their natural,social,and built environments. The philosophy and study of human ecology has a diffuse history with advancements in ecology,geography,sociology,psychology,anthropology,zoology,epidemiology,public health,and home economics,among others.
This glossary of ecology is a list of definitions of terms and concepts in ecology and related fields. For more specific definitions from other glossaries related to ecology,see Glossary of biology,Glossary of evolutionary biology,and Glossary of environmental science.
In vitro toxicity testing is the scientific analysis of the toxic effects of chemical substances on cultured bacteria or mammalian cells. In vitro testing methods are employed primarily to identify potentially hazardous chemicals and/or to confirm the lack of certain toxic properties in the early stages of the development of potentially useful new substances such as therapeutic drugs,agricultural chemicals and food additives.
Realized niche width is a phrase relating to ecology,is defined by the actual space that an organism inhabits and the resources it can access as a result of limiting pressures from other species. An organism's ecological niche is determined by the biotic and abiotic factors that make up that specific ecosystem that allow that specific organism to survive there. The width of an organism's niche is set by the range of conditions a species is able to survive in that specific environment.
Ecotoxicology is the study of the effects of toxic chemicals on biological organisms,especially at the population,community,ecosystem,and biosphere levels. Ecotoxicology is a multidisciplinary field,which integrates toxicology and ecology.
The dynamic energy budget (DEB) theory is a formal metabolic theory which provides a single quantitative framework to dynamically describe the aspects of metabolism of all living organisms at the individual level,based on assumptions about energy uptake,storage,and utilization of various substances. The DEB theory adheres to stringent thermodynamic principles,is motivated by universally observed patterns,is non-species specific,and links different levels of biological organization as prescribed by the implications of energetics. Models based on the DEB theory have been successfully applied to over a 1000 species with real-life applications ranging from conservation,aquaculture,general ecology,and ecotoxicology. The theory is contributing to the theoretical underpinning of the emerging field of metabolic ecology.
Evolutionary physiology is the study of the biological evolution of physiological structures and processes;that is,the manner in which the functional characteristics of individuals in a population of organisms have responded to natural selection across multiple generations during the history of the population. It is a sub-discipline of both physiology and evolutionary biology. Practitioners in the field come from a variety of backgrounds,including physiology,evolutionary biology,ecology,and genetics.
Ecological forecasting uses knowledge of physics,ecology and physiology to predict how ecological populations,communities,or ecosystems will change in the future in response to environmental factors such as climate change. The goal of the approach is to provide natural resource managers with information to anticipate and respond to short and long-term climate conditions.
There is an ongoing decline in plant biodiversity,just like there is ongoing biodiversity loss for many other life forms. One of the causes for this decline is climate change. Environmental conditions play a key role in defining the function and geographic distributions of plants,in combination with other factors,thereby modifying patterns of biodiversity.
Relative species abundance is a component of biodiversity and is a measure of how common or rare a species is relative to other species in a defined location or community. Relative abundance is the percent composition of an organism of a particular kind relative to the total number of organisms in the area. Relative species abundances tend to conform to specific patterns that are among the best-known and most-studied patterns in macroecology. Different populations in a community exist in relative proportions;this idea is known as relative abundance.
Species distribution modelling (SDM),also known as environmental(or ecological) niche modelling (ENM),habitat modelling,predictive habitat distribution modelling,and range mapping uses computer algorithms to predict the distribution of a species across geographic space and time using environmental data. The environmental data are most often climate data (e.g. temperature,precipitation),but can include other variables such as soil type,water depth,and land cover. SDMs are used in several research areas in conservation biology,ecology and evolution. These models can be used to understand how environmental conditions influence the occurrence or abundance of a species,and for predictive purposes (ecological forecasting). Predictions from an SDM may be of a species’future distribution under climate change,a species’past distribution in order to assess evolutionary relationships,or the potential future distribution of an invasive species. Predictions of current and/or future habitat suitability can be useful for management applications (e.g. reintroduction or translocation of vulnerable species,reserve placement in anticipation of climate change).
Soundscape ecology is the study of the acoustic relationships between living organisms,human and other,and their environment,whether the organisms are marine or terrestrial. First appearing in the Handbook for Acoustic Ecology edited by Barry Truax,in 1978,the term has occasionally been used,sometimes interchangeably,with the term acoustic ecology. Soundscape ecologists also study the relationships between the three basic sources of sound that comprise the soundscape:those generated by organisms are referred to as the biophony;those from non-biological natural categories are classified as the geophony,and those produced by humans,the anthropophony.
David B. Dusenbery is a biophysicist with a central interest in how information influences the behavior of organisms. In later years,he also considered the physical constraints hydrodynamics imposes on microorganisms and gametes.
In vitro to in vivo extrapolation (IVIVE) refers to the qualitative or quantitative transposition of experimental results or observations made in vitro to predict phenomena in vivo,biological organisms.
Climate change and invasive species refers to the process of the environmental destabilization caused by climate change. This environmental change facilitates the spread of invasive species —species that are not historically found in a certain region,and often bring about a negative impact to that region's native species. This complex relationship is notable because climate change and invasive species are also considered by the USDA to be two of the top four causes of global biodiversity loss.
Lauren B. Buckley is an evolutionary ecologist and professor of biology at the University of Washington. She researches the relationship between organismal physiological and life history features and response to global climate change.
References
- 1 2 "Porter, Warren". Department of Integrative Biology. June 22, 2017.
- 1 2 "Warren Porter". scholar.google.com.
- ↑ "Warren Porter". Badger Talks. December 5, 2017.
- ↑ "Background and History". NicheMapR.
- ↑ "People". Center for Integrated Agricultural Systems.
- ↑ Porter, W. P.; Ostrowski, S.; Williams, J. B. (September 21, 2010). "Modeling Animal Landscapes". Physiological and Biochemical Zoology. 83 (5): 705–712. doi:10.1086/656181. PMID 20670170. S2CID 2754269 – via CrossRef.
- ↑ Porter, W. P.; Mitchell, J. W.; Beckman, W. A.; DeWitt, C. B. (March 1, 1973). "Behavioral implications of mechanistic ecology". Oecologia. 13 (1): 1–54. Bibcode:1973Oecol..13....1P. doi:10.1007/BF00379617. PMID 28307981. S2CID 23782632 – via Springer Link.
- ↑ Fitzpatrick, Megan J.; Mathewson, Paul D.; Porter, Warren P. (August 26, 2015). "Validation of a Mechanistic Model for Non-Invasive Study of Ecological Energetics in an Endangered Wading Bird with Counter-Current Heat Exchange in its Legs". PLOS ONE. 10 (8): e0136677. Bibcode:2015PLoSO..1036677F. doi: 10.1371/journal.pone.0136677 . PMC 4550283 . PMID 26308207.
- ↑ Dudley, Peter N.; Bonazza, Riccardo; Porter, Warren P. (January 24, 2016). "Climate change impacts on nesting and internesting leatherback sea turtles using 3D animated computational fluid dynamics and finite volume heat transfer". Ecological Modelling. 320: 231–240. doi: 10.1016/j.ecolmodel.2015.10.012 – via ScienceDirect.
- ↑ Boyd, C. A.; Weiler, M. H.; Porter, W. P. (July 21, 1990). "Behavioral and neurochemical changes associated with chronic exposure to low‐level concentration of pesticide mixtures". Journal of Toxicology and Environmental Health. 30 (3): 209–221. doi:10.1080/15287399009531424. PMID 2366258 – via CrossRef.
- ↑ Bartelt, Paul E.; Klaver, Robert W.; Porter, Warren P. (November 10, 2010). "Modeling amphibian energetics, habitat suitability, and movements of western toads, Anaxyrus (=Bufo) boreas, across present and future landscapes". Ecological Modelling. 221 (22): 2675–2686. doi:10.1016/j.ecolmodel.2010.07.009 – via ScienceDirect.
- ↑ Kearney, Michael; Porter, Warren P.; Williams, Craig; Ritchie, Scott; Hoffmann, Ary A. (June 21, 2009). "Integrating biophysical models and evolutionary theory to predict climatic impacts on species' ranges: the dengue mosquito Aedes aegypti in Australia". Functional Ecology. 23 (3): 528–538. Bibcode:2009FuEco..23..528K. doi:10.1111/j.1365-2435.2008.01538.x – via CrossRef.
- ↑ Mathewson, Paul D.; Moyer‐Horner, Lucas; Beever, Erik A.; Briscoe, Natalie J.; Kearney, Michael; Yahn, Jeremiah M.; Porter, Warren P. (March 21, 2017). "Mechanistic variables can enhance predictive models of endotherm distributions: the American pika under current, past, and future climates". Global Change Biology. 23 (3): 1048–1064. Bibcode:2017GCBio..23.1048M. doi:10.1111/gcb.13454. hdl: 11343/291691 . PMID 27500587. S2CID 205143942 – via CrossRef.
- ↑ Wang, Yue; Porter, Warren; Mathewson, Paul D.; Miller, Paul A.; Graham, Russell W.; Williams, John W. (December 21, 2018). "Mechanistic modeling of environmental drivers of woolly mammoth carrying capacity declines on St. Paul Island". Ecology. 99 (12): 2721–2730. Bibcode:2018Ecol...99.2721W. doi:10.1002/ecy.2524. PMID 30365160. S2CID 53093083 – via CrossRef.
- ↑ "Warren Porter". John Simon Guggenheim Memorial Foundation...
- ↑ "Historic Fellows | American Association for the Advancement of Science (AAAS)".
- ↑ "Organic Stewardship Award Winners".