The term ecological niche was developed by Charles Elton. Ecological niche may be defined as ‘the functional role and position (micro-habitat) of species in its ecosystem, including what resources it uses, how and when it uses the resources, and how it interacts with other species. The ecosystem stability depends upon the diversity of the niche.… Continue reading Ecological niche
Author: abrar
Ecological succession
F.E. Clement postulated the concept of Vegetation/Ecological succession which is the process of change in the species structure of an ecological community over time. The time scale can be decades (after a wildfire), or even millions of years after a mass extinction (Permian, Triassic, cretaceous). The development of vegetation community in any ecosystem or habitat… Continue reading Ecological succession
QUIZ/MCQs: Environment and Ecology (Introduction)
Environment and Ecology intro QUIZ/MCQs [qsm quiz=2]
What is an Ecosystem?
“Ecosystem” term was first coined by A.G. Tansely, in the year 1935. In simple terms, it is a community of living and non-living things that work together. The living and non-living things continuously exchange materials and energy between them. It forms the structural and functional unit of the biosphere (sphere of life). Ecosystem varies greatly… Continue reading What is an Ecosystem?
What is Environment?
What is Environment? The word Environment means ‘surroundings’ (environs). Therefore, the environment of an individual, object, or system includes all of the other entities – both living (biotic) and non-living (abiotic)-with which it is surrounded. In an environment. What are the different types of environment? Primarily, the environment can be categorised into two: Natural Environment:… Continue reading What is Environment?
China’s climate commitment: How is it significant?
News: China has announced significant climate change announcements at the virtual UN General Assembly in New York. Facts: What has China announced? China would become carbon net-zero by the year 2060. Net-zero: It is a state in which a country’s emissions are compensated by absorptions and removal of greenhouse gases from the atmosphere. Absorption can… Continue reading China’s climate commitment: How is it significant?
Ratification of seven (7) chemicals listed under Stockholm Convention on POPs
News: The Union Cabinet has approved the Ratification of seven (7) chemicals listed under the Stockholm Convention on Persistent Organic Pollutants(POPs). Facts: Seven POPs: The seven POPs prohibited from manufacturing, trading using, importing and exporting are: Chlordecone Hexabromobiphenyl Hexabromodiphenyl ether and Hepta Bromodiphenyl Ether Tetrabromodiphenyl ether and Pentabromodiphenyl ether Pentachlorobenzene Hexabromocyclododecane and Hexachlorobutadiene. Significance: The… Continue reading Ratification of seven (7) chemicals listed under Stockholm Convention on POPs
Radio-tagged Amur Falcons arrive in Manipur
News: Chuilon and Irang, the radio-tagged Amur Falcons have arrived in Manipur after completing one migratory journey that covered 29,000 km in 361 days. Facts: The Amur Falcon locally known as ‘Akhoipuina is the world’s longest travelling migratory raptors. Migratory Route: They breed in East Asia and migrate to northeast India, Sri Lanka and sometimes to Thailand, Cambodia… Continue reading Radio-tagged Amur Falcons arrive in Manipur
Climate financing adds to poor countries debt pile: Oxfam
News: Oxfam has released a report titled Climate finance shadow report 2020 – assessing progress towards the $100 billion commitment. Facts: Background: Developed countries had committed in 2009 to mobilize $100 billion every year by 2020 to help developing countries cut their carbon dioxide emissions and adapt to the effects of climate change. What is progress? Developed countries have… Continue reading Climate financing adds to poor countries debt pile: Oxfam
About MSP (Minimum Support Price)
News: Farmers’ Produce Trade and Commerce (Promotion and Facilitation) Bill, 2020 does not provide any safeguards for the continuance of the existing minimum support price (MSP)-based procurement regime. Facts: MSP is the minimum price paid to the farmers for procuring food crops. It is announced by the Government at the beginning of the sowing season.… Continue reading About MSP (Minimum Support Price)
