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Ecosystems in Medical News

Papua New Guinea declares first national conservation area

... home to some of the most biologically diverse ecosystems on Earth, has created its first national ... their forest homeland and the wildlife and ecosystems so vital to their culture and sustenance. ... of the YUS region for protecting such essential ecosystems and all the benefits they provide. Hopefully, ...

New findings on emerging contaminants

... Food Webs* Chemicals are ending up in aquatic ecosystems in part because many municipal wastewater ... before they enter the environment, affected ecosystems could rebound. *Dilution Not the Solution* ... decisions for the environment, especially coastal ecosystems that are already battling such a multitude of ...

New study shows extent of harmful human influences on global ecosystems

... the real impact of human activities on marine ecosystems and help identify ways to lessen the threats. According to the study, the ecosystems most at threat are: coral reefs, which house more ... for routinely assessing the state of marine ecosystems in the future. As we compile more and better ...

Could preserving biodiversity reduce disease?

... by EPA as critical for environmental well-being. Humans rely on healthy ecosystems to provide food, clean air, and drinking water. But less understood is ... Nile Virus. Changing land use and development have altered natural ecosystems greatly in the last 50 years, contributing to a decline in biodiversity. ...

Climate change could impact vital functions of microbes

... meeting in Boston. Microbes perform a number of critical functions for ecosystems around the world and we are only starting to understand the impact that ... the snowpack. There is as much carbon trapped in the soil of northern ecosystems as there is carbon in the atmosphere. It is a big unknown what is going ...

Leading Natural Cosmetics Company Supports Breast Cancer Survivors

... a grant to Ocean Conservancy, which promotes healthy and diverse ocean ecosystems and opposes practices that threaten ocean life and human life. Through ... Ocean Conservancy Ocean Conservancy promotes healthy and diverse ocean ecosystems and opposes practices that threaten ocean life and human life. ...

Global Environment partners provide additional $20 million to protect endangered habitats

... some of the worlds most unique and threatened areas, including island ecosystems and temperate forests. These biodiversity hotspots are home to more ... Biodiversity hotspots where projects will be funded include fragile island ecosystems in the remote Pacific island nations of Micronesia, Polynesia and Fiji, ...

There's a sensor in your pocket

... invisible. "Participatory Sensing" allows individuals to identify, measure, and address problems as diverse as air pollution or the damage to fragile ecosystems using mobile phones with basic sensing and communication systems like cameras, global positioning systems (GPS), and text messaging. A new paper, ...

Discovery in amber reveals ancient biology of termites

... of years later. This phenomenon has been invaluable in scientific and ecological research, and allows researchers to characterize the biology of ecosystems that existed millions of years ago. The amber that contained the termite used in this study came from a mine first excavated in 2001 in the ...

Landmark USGS study

... from the consumption of marine fish and shell fish. Scientists have known for some time that mercury deposited from the atmosphere to freshwater ecosystems can be transformed (methylated) into methylmercury, but identifying the analogous cycles in marine systems has remained elusive. As a result of this ...

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Ecosystems in Medical Dictionary

Air Pollution

... on an asthma attack. Reducing air pollution will also protect the environment, resulting in many benefits, such as restoring life in damaged ecosystems and reducing health risks to those whose subsistence depends directly on those ecosystems. Lung disease s due to gas or chemical exposure are ...
Ecosystems in Biological News

Scientists find universal rules for food-web stability

... levels. The computations also reveal that small ecosystems follow other rules than large ecosystems: ... webs, but destabilize larger webs. Natural ecosystems consist of interwoven food chains, in which ... long term," says Thilo Gross from MPIPKS. Complex ecosystems can thus be simulated and analyzed under almost ...

New hope for fisheries

... to succeed in five of the ten large marine ecosystems that they examined. The paper, which appears in ... Iceland and New Zealand. "These highly managed ecosystems are improving" says Hilborn. "Yet there is still ... term it benefits fish, fishermen, and our ocean ecosystems as a whole." Key among the group's ...

Yale study: Most polluted ecosystems recoverable

... New Haven, Conn.Most polluted or damaged ecosystems worldwide can recover within a lifetime if ... ONE . The Yale researchers found that forest ecosystems recovered in 42 years on average, while ocean ... than 10 years. When examined by disturbance type, ecosystems undergoing multiple, interacting disturbances ...

Rules proposed to save the world's coral reefs

... to protect or enhance the resilience of reef ecosystems in the face of existing and unavoidable future ... they say. The key to saving threatened coral ecosystems is to maintain the links (connectivity) between ... to the resilience of coral reefs and other ecosystems to which they are linked," says Dr McCook. "The ...

A big lesson from the reef

... for his pioneering work in understanding how ecosystems develop and maintain their amazing diversity. ... lies at the heart of stable ecosystems. Since ecosystems help to support humanity in many ways with food, ... to support us is vital, he argues. "As a rule, ecosystems with many species are more stable over time. ...

Study finds most wars occur in Earth's richest biological regions

... people live in hotspots and depend on healthy ecosystems for their survival, so there is a moral ... on the resources and services provided by natural ecosystems for their daily survival. Environmental concerns ... in conserving global biodiversity and keeping ecosystems healthy. It also called for integrating ...

Historical photographs expose decline in Florida's reef fish, new Scripps study finds

... can not only help describe the structure of ecosystems that existed in the recent past, but can be used ... research for her doctoral thesis on coral reef ecosystems of the Florida Keys, McClenachan came across what ... exists showing that even the Florida Keys ecosystems of the 1950s were not pristine. Commercial ...

What we don’t know still hurts us, environmental researchers warn

... hundreds of scientists to develop a view of ecosystems through the lens of services those ecosystems provide humanity, said Thomas Dietz, director of ... "In only a few cases are the abilities of ecosystems to provide human well-being holding steady, and ...

Grazing animals help spread plant disease

... point once again to the complexity of natural ecosystems and the many ways in which plants, animals and ... professor of zoology at OSU. "But in natural ecosystems we're finding it's not nearly that simple, and to ... researchers said, because so many elements of ecosystems are undergoing rapid change, from human ...

Time running out on coral reefs as climate change becomes increasing threat

... decline in the health of the planet's coral reef ecosystems according to the findings in an international ... more that that nearly half of U.S. coral reef ecosystems are considered to be in "poor" or "fair" ... regional assessments of the health coral reef ecosystems found throughout the world, the threats they ...

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Ecosystems in Biological Technology

Nature parks can save species as climate changes

... IBAs and takes account of the critical role that ecosystems play in helping wildlife and people adapt." ... natural resources and services provided by these ecosystems is vital for people too. Healthy ecosystems are the first line of defence against the impacts ...

Internet can warn of ecological changes

... these are threatened by sudden changes in ecosystems caused by various pressures like climate change ... and the irreversible degradation of freshwater ecosystems and coral reefs are examples that have already ... information posted on the Internet to detect ecosystems on the brink of change. List servers ...

Experts prove the geochemical origin of part of the CO2 emissions in semiarid climates

... and in the conservation of one of the richest ecosystems of Spain. One of the most recent studied on the ... Carbon and water balance in Mediterranean thicket ecosystems in Andalusia: Effect of the climatic change ... 10 and 20 times lower than arable land and tree ecosystems respectively). Extreme climate What is the ...

Model predicts evolution of Mediterranean landscape following fires

... of plants (by shoots or seeds), their distribution over space and time, and the resources they compete for (primarily light and water). Such ecosystems can generally evolve from grassland to scrubland (with rock rose, lavender and broom), later to transitional woodland (with pines, juniper and some ...

Microsoft scientist highlights urgent need for new computer models to address climate change

... need for additional study and resources. Purves said, "It is imperative that we create the tools and science to accurately understand the reaction of ecosystems to climate change and other forces not just for plants and animals, but for our children and succeeding generations." This research is part of ...

ORNL 'resilience' plan to help Tennessee, Mississippi and South Carolina communities beat disaster

... and precipitation patterns. Government leaders are beginning to look at climate change as a national security issue and examining its impacts on ecosystems and economies. While the immediate purpose of the study is to examine communities resilience to storms, this work has definite implications for ...

The sea ice is getting thinner

... of the water masses, physical characteristics of sea-ice and transport of biological and geochemical components in ice and seawater. Sea-ice ecosystems in the seawater and on the ocean floor will also be a focus of investigations. Scientists will take sediments from the ocean floor in order to ...

Rice Centromere, Supposedly Quiet Genetic Domain, Surprises

... stages. The evolutionary progression of the centromeres, Jiang suggests, may be analogous to how temperate forests evolve from more diverse ecosystems to climax forests where a single species of tree dominates. In the rice centromere, it may be that evolution has not yet purged active genes to be ...

Microbial Diversity in Ground and Surface Water Analyzed by Denaturing Gradient Gel Electrophoresis Using the DCode System

... without cultivation. This culture-independent approach has greatly enhanced the ability to assess bacterial diversity in ecosystems such as ground and surface water environments. After isolation of total bacterial DNA, variable regions of the 16S rRNA gene ...
Ecosystems in Biological Definition

Biodiversity

... diversity among organisms present in different ecosystems . "Diversity" in this definition includes ... is the totality of genes, species, and ecosystems of a region . An advantage of this definition is ... alia , terrestrial, marine and other aquatic ecosystems and the ecological complexes of which they are ...

Marine biology

... of animal and plant life within saltwater ecosystems . Given that in biology many phyla , families ... carbon cycle ) and movement of energy through ecosystems is also growing, despite large areas beneath the ... end of the scale, the role of viruses in marine ecosystems is barely being explored even in the beginning of ...

Adaptive radiation

... change is the rapid spread and development of mammalian species after the extinction of the dinosaurs. Archipelagoes . Isolated ecosystems , such as islands and mountain areas, can be colonized by a new species which upon establishing itself undergoes rapid divergent evolution. Darwin's ...

Biology

... as the other organisms which share its habitat. Ecological systems are studied at several different levels from individuals and populations to ecosystems and biosphere level. Ecology is a multi-disciplinary science, drawing on many other branches of science. Ethology studies animal behavior ...

Botany

... , tissues , organs and the biodiversity of whole plants. At the top end of this scale, plants can be studied in populations, communities and ecosystems (as in ecology ). At each of these levels a botanist might be concerned with the classification ( taxonomy ), structure ( anatomy ), or function ( ...

Competitive exclusion principle

... from abstract mathematical modeling . The conditions under which competitive exclusion must hold are not very well understood; several natural ecosystems are known in which competitive exclusion seems to be violated. The best known example is the paradox of the plankton (or short plankton paradox ...

Cryptozoology

... point these out to demonstrate that there are many unexplored regions of the world left, and that remote exotic locations or specialized ecosystems relatively untouched by man may contain unexpected life. Similarly cited is the 1976 discovery of the previously unknown megamouth shark , ...

Evolution

... years ago, plants and fungi colonized the land, and were soon followed by arthropods and other animals, leading to the development of land ecosystems with which we are familiar. The emergence of novel traits Mechanisms of inheritance In Darwin's time, scientists did not share broad ...

Limnology

... , Limnology (Prentice Hall , 2001) B. Moss , Ecology of Fresh Waters ( Blackwell , 1998) Robert G. Wetzel , Limnology: Lake and River ecosystems , 3rd ed. (Academic Press , 2001) ISBN 0127447601 - highly regarded Robert G. Wetzel & Gene E. Likens , Limnological Analyses , 3rd ed. ( ...

Macroecology

... of New Mexico and Brian Maurer of Michigan State University in a 1989 paper in Science . Macroecology approaches the idea of studying ecosystems using a "top down" approach. It seeks understanding through the study of the properties of the system as a whole; Kevin Gaston and Tim Blackburn ...

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Ecosystems in Biological Dictionary

Ecosystems

... is a unit of ... Biomes are ecosystems where several habitats intersect. The Earth itself is one large biome. ... In many ecosystems , the conservation of resources is a natural, ... Learn about the different ecosystems and biomes on our planet. ... We have affected ...

Limnology

... Limnology is a discipline that concerns the study of inland aquatic ecosystems ... At times, and historically, limnology is more specifically defined ... from. Landscape limnology is the spatially-explicit study of aquatic ecosystems as ... Findings from landscape limnology research are contributing to ...

Ecosystem

... the health of an aquatic ecosystem ? ... Learn about the different ecosystems and biomes on our planet. ... An ecosystem is much smaller than a ...... Ecosystem Services: Economic analyses of the ways in which natural ecosystems contribute to regional and global economies. ... 301A, Ecosystem ...

Microbial mats

... ... years of life on Earth was microbial , and Precambrian carbonates are well known ... Hypersaline microbial mats are complex, integrated ecosystems that have become ... Why Sequence Hypersaline Microbial Mats ? RSS Comments/Questions Credits ... Anhydrophilic, Halotolerant Microbial ...

Lichens

... and biochemistry ... Offers information on the biology and ecology of lichens , human uses, and a photo gallery. Go to Lichens and ecosystems (Nutrient cycling, soils, and environmental ... " Lichens are fungi that have discovered agriculture"-- lichenologist Trevor Goward. ... If the ...

Ecology

... ecology . ... systems ecology ( ′sistəmz i′käləjē ) ( ecology ) The combined approaches of systems analysis and the ecology of whole ecosystems and Get news and info about Ecology . Change my address with Ecology . Contact staff or locate Ecology offices. Recovery & Reinvestment ...

Biome

... Biomes are defined ... A biome is a large geographical area of distinctive plant and animal groups ... Each biome consists of many ecosystems whose communities have adapted to the ... All about the Alpine biome , description, global position, climate, and information on specific plants ...

Biogeography

... on Earth, and Wallace's ... Conducting basic and applied research on the ecology, distribution, and conservation status of species and ecosystems with the aid of GIS and remote sensing. (Redirected from Island Biogeography ) Jump to: navigation, search ... The theory of island ...

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