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Ecosystems

  • Resource Scarcity Favors Cooperative Behavior

    A new study finds that whenever there is a scarcity of resources, there is always a development of cooperative behavior. The resource scarcity produces a situation where there develop cooperation between individuals of the same group. This study also shows that the mutual cooperation only develops in individuals of the same group. There is a down relationship between resource scarcity…

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  • Photo of 90% Rainforest Lost, Struggling To Save The Remaining Silver

    90% Rainforest Lost, Struggling To Save The Remaining Silver

    Since the first date of last 100 years, about 90% of the rainforest known as the Atlantic Rainforest of South America has been destroyed through many factors. The factors include logging by humans, urbanization and invasion of invasive species. The Atlantic Rainforest of South America covers an area of about one million square kilometers which makes it the largest of…

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  • Photo of Surface Slicks; Larval Fish Toxicities Due to Microplastics

    Surface Slicks; Larval Fish Toxicities Due to Microplastics

    Eating of micro-plastics by the many non-adult fishes is a well-known problems. The life of many marine fishes begin at the ocean surface. However, the habitat preference of these larval fish stages is not studied well. The surface slicks are important nurseries for many larval  fishes. Study Carried Out A study carried out in Hawaii, shows that the surface slicks…

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  • Photo of IUCN Red List, The Most Comprehensive List of Species

    IUCN Red List, The Most Comprehensive List of Species

    The most comprehensive list of animals and plant species which is considered as the most authoritative list worldwide. Till this day, IUCN Red List assessed 105,500 plus species, of these more than 28000 are threatened species. The IUCN has now put a target to assess more than 160,000 species by the year 2020. Who is IUCN? Basically, IUCN is the…

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  • Photo of Underestimating Predators Density Could Lead To Several Implications

    Underestimating Predators Density Could Lead To Several Implications

    Questions like; How many species are there in an ecosystem? What predators are there in a grassland? What are the effects of density of predators on fauna of ecosystem? Questions like these and many others are very important when talking about their effects on fauna and flora. Predators have a significant role in ecosystem, especially active predators like cats, tigers,…

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  • Photo of Intraguild Influences and Human Disturbances

    Intraguild Influences and Human Disturbances

    Intraguild interaction is the killing and eating of competitive organisms. this affects the structure of the community. This interaction heavily affect the demography and conservation of the predators. A recent study by the scientist sought to find any impact on the human dominated community where  tiger (Panthera tigris) and leopard (P. pardus) coexist. A group of six researchers surveyed 361 locations in Chitwan…

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  • Photo of Size Really Matters; Larger The Size, Favors More Food

    Size Really Matters; Larger The Size, Favors More Food

    It is really an opportunity to get more food if your size is larger than your opponent. The shiny cowbird, Molothrus bonariensis, a parasite, is fed at a higher proportion than its nestmates when it is reared in nests of a smaller-bodied host, the house wren, Troglodytes aedon. This study was carried out by a group of researchers from Australia and Argentina.…

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  • Photo of Grazing Affect the Carbon Exchange, Soil Properties and Plant Biomass

    Grazing Affect the Carbon Exchange, Soil Properties and Plant Biomass

    A study conducted by a group of four researchers in Mongolia finds the quantitative effects of grazing on a grassland structure. To quantitatively asses the effects of grazing, these researchers divided the grassland in two types of plots; one fenced and the other where grazing was kept continuing. They also installed cameras for photography after every ten minutes. This study…

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  • Photo of Beavers; Ecosystem Engineers

    Beavers; Ecosystem Engineers

    Beavers are well known as engineers of the ecosystem. They facilitate other organisms in their ecosystems. Scientists studied the services provided by American beaver (Castor Canadensis) in a boreal setting. These researches found out that due to these beavers the species richness increased by 83% and occurrence increased by 12% as higher as that of the control. Wetlands are facing…

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  • Photo of Malarial Mosquitoes Migrate with High Speed Wind

    Malarial Mosquitoes Migrate with High Speed Wind

    Anopheles, Vectors of Malaria  By 2000, the cases of malaria have been minimized to half as that of pre-2000 era.  Many efforts have been carried out to minimize its effect but mostly African countries are at high risk. Anopheles mosquito migrate and cover long distances and this is known as wind-borne migration. Scientist sampled mosquitoes at 40-290 meter heights. These…

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