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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.
An experiment is a procedure carried out to support or refute a hypothesis, or determine the efficacy or likelihood of something previously untried. Experiments provide insight into cause-and-effect by demonstrating what outcome occurs when a particular factor is manipulated. Experiments vary greatly in goal and scale but always rely on repeatable procedure and logical analysis of the results. There also exist natural experimental studies.
Paleoecology is the study of interactions between organisms and/or interactions between organisms and their environments across geologic timescales. As a discipline, paleoecology interacts with, depends on and informs a variety of fields including paleontology, ecology, climatology and biology.
Ecology is a new science and considered as an important branch of biological science, having only become prominent during the second half of the 20th century. Ecological thought is derivative of established currents in philosophy, particularly from ethics and politics.
Historical ecology is a research program that focuses on the interactions between humans and their environment over long-term periods of time, typically over the course of centuries. In order to carry out this work, historical ecologists synthesize long-series data collected by practitioners in diverse fields. Rather than concentrating on one specific event, historical ecology aims to study and understand this interaction across both time and space in order to gain a full understanding of its cumulative effects. Through this interplay, humans adapt to and shape the environment, continuously contributing to landscape transformation. Historical ecologists recognize that humans have had world-wide influences, impact landscape in dissimilar ways which increase or decrease species diversity, and that a holistic perspective is critical to be able to understand that system.
Spatial ecology studies the ultimate distributional or spatial unit occupied by a species. In a particular habitat shared by several species, each of the species is usually confined to its own microhabitat or spatial niche because two species in the same general territory cannot usually occupy the same ecological niche for any significant length of time.
A biologist is a scientist who conducts research in biology. Biologists are interested in studying life on Earth, whether it is an individual cell, a multicellular organism, or a community of interacting populations. They usually specialize in a particular branch of biology and have a specific research focus.
Frederic Edward Clements was an American plant ecologist and pioneer in the study of plant ecology and vegetation succession.
Systems ecology is an interdisciplinary field of ecology, a subset of Earth system science, that takes a holistic approach to the study of ecological systems, especially ecosystems. Systems ecology can be seen as an application of general systems theory to ecology. Central to the systems ecology approach is the idea that an ecosystem is a complex system exhibiting emergent properties. Systems ecology focuses on interactions and transactions within and between biological and ecological systems, and is especially concerned with the way the functioning of ecosystems can be influenced by human interventions. It uses and extends concepts from thermodynamics and develops other macroscopic descriptions of complex systems.
Functional ecology is a branch of ecology that focuses on the roles, or functions, that species play in the community or ecosystem in which they occur. In this approach, physiological, anatomical, and life history characteristics of the species are emphasized. The term "function" is used to emphasize certain physiological processes rather than discrete properties, describe an organism's role in a trophic system, or illustrate the effects of natural selective processes on an organism. This sub-discipline of ecology represents the crossroads between ecological patterns and the processes and mechanisms that underlie them.
Bacteriophages (phages), potentially the most numerous "organisms" on Earth, are the viruses of bacteria. Phage ecology is the study of the interaction of bacteriophages with their environments.
The following outline is provided as an overview of and topical guide to ecology:
An ecosystem model is an abstract, usually mathematical, representation of an ecological system, which is studied to better understand the real system.
The following outline is provided as a topical overview of science; the discipline of science is defined as both the systematic effort of acquiring knowledge through observation, experimentation and reasoning, and the body of knowledge thus acquired, the word "science" derives from the Latin word scientia meaning knowledge. A practitioner of science is called a "scientist". Modern science respects objective logical reasoning, and follows a set of core procedures or rules to determine the nature and underlying natural laws of all things, with a scope encompassing the entire universe. These procedures, or rules, are known as the scientific method.
Aquatic science is the study of the various bodies of water that make up our planet including oceanic and freshwater environments. Aquatic scientists study the movement of water, the chemistry of water, aquatic organisms, aquatic ecosystems, the movement of materials in and out of aquatic ecosystems, and the use of water by humans, among other things. Aquatic scientists examine current processes as well as historic processes, and the water bodies that they study can range from tiny areas measured in millimeters to full oceans. Moreover, aquatic scientists work in Interdisciplinary groups. For example, a physical oceanographer might work with a biological oceanographer to understand how physical processes, such as tropical cyclones or rip currents, affect organisms in the Atlantic Ocean. Chemists and biologists, on the other hand, might work together to see how the chemical makeup of a certain body of water affects the plants and animals that reside there. Aquatic scientists can work to tackle global problems such as global oceanic change and local problems, such as trying to understand why a drinking water supply in a certain area is polluted.
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.
A mesocosm is any outdoor experimental system that examines the natural environment under controlled conditions. In this way mesocosm studies provide a link between field surveys and highly controlled laboratory experiments.
Bruce A. Menge is an American ocean ecologist. He has spent over forty years studying the processes that drive the dynamics of natural communities. His fields of interest include: structure and dynamics of marine meta-ecosystems, responses of coastal ecosystems to climate change, linking benthic and inner shelf pelagic communities, the relationship between scale and ecosystem dynamics, bottom-up and top-down control of community structure, recruitment dynamics, ecophysiology and sub-organismal mechanisms in environmental stress models, larval transport and connectivity, impact of ocean acidification on marine ecosystems, controls of productivity, population, community, and geographical ecology. He settled on two career goals: carrying out experiment-based field research to investigate the dynamics of rocky intertidal communities, focusing on species interactions and environmental context and how this might shape a community, and using the resulting data to test and modify theories on how communities were organized.
Diana Harrison Wall was an American environmental scientist and soil ecologist. She was the founding director of the School of Global Environmental Sustainability, a distinguished biology professor, and senior research scientist at the Natural Resource Ecology Laboratory at Colorado State University. Wall investigated ecosystem processes, soil biodiversity and ecosystem services. Her research focused on the Antarctic McMurdo Dry Valleys and its Wall Valley was named after her. Wall was a globally recognized leader and speaker on life in Antarctica and climate change.
Philosophy of ecology is a concept under the philosophy of science, which is a subfield of philosophy. Its main concerns centre on the practice and application of ecology, its moral issues, and the intersectionality between the position of humans and other entities. This topic also overlaps with metaphysics, ontology, and epistemology, for example, as it attempts to answer metaphysical, epistemic and moral issues surrounding environmental ethics and public policy.
References
- ↑ Clapham, A. R. (1966). "What Is Experimental Ecology?". Folia Geobotanica & Phytotaxonomica. 1 (4): 88–92. doi:10.1007/BF02852052. JSTOR 4179422. S2CID 26181952 . Retrieved 23 October 2022.
- ↑ Clapham, A.R. (no date) Experimental ecology, JSTOR. Available at: https://cpb-us-w2.wpmucdn.com/voices.uchicago.edu/dist/8/428/files/2017/02/98WoottonPfisterExptEcol18optsm-yeyup5.pdf (Accessed: 03 May 2024).
- ↑ Department of Biology, W.U. in St.L. (2024) Experimental Ecology Laboratory, Department of Biology. Available at: https://biology.wustl.edu/experimental-ecology-laboratory (Accessed: 02 May 2024).
- ↑ Nature News (no date) Experimental Ecology, Nature news. Available at: https://www.nature.com/collections/dehcbeeeac (Accessed: 02 May 2024).
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