What is Hydrosere or Hydrarch Succession? A succession originates in a water body (aquatic environment) is called Hydrosere or Hydrarch Succession. Such a succession does not necessarily lead to the development of a land community. If the water body is sufficiently large and with wave action, the succession usually results […]
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Ecological Adaptations of Xerophytes (with PPT)
What are xerophytes? Ø Xerophytes (xerophytic plants) are plants growing in dry habitats (xeric conditions) where the availability of water is very less. Xeric habitat are the places where water is NOT present in adequate quantity. Xerophytes are the characteristic plants of deserts or semi-deserts areas. Xerophytes can also grow in […]
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Ecological Adaptations of Hydrophytes (with PPT)
What is adaptation? “Any feature of an organism which enables it to exist under conditions of its habitat is called adaptation”. Adaptations are for withstanding adverse conditions of environment and to utilize the maximum benefit of the environment (nutrition or conditions). Adaptations in plants can be of four types: 1. […]
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Difference between Oligotrophic and Eutrophic Lake
Oligotrophic vs Eutrophic Lakes Lake Ecosystem is an example for a lentic ecosystem. An aquatic ecosystem with stationary or relatively still water is called lentic ecosystem. Based on the trophic state* and productivity, the lake ecosystem is divided into three categories. (1). Oligotrophic lakes (2). Eutrophic lakes (3). Mesotrophic lakes […]
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Major Threats to Biodiversity by Human Activities (Simple, Easy Ecology Lecture Notes)
‘It is that range of biodiversity that we must care for – the whole thing – rather than just one or two stars’ David Attenborough What are major threats to biodiversity? Major threats to biodiversity are: 1. Habitat destruction/Deforestation 2. Introduced and invasive species 3. Genetic pollution 4. Over […]
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