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  2. Freshwater ecosystem - Wikipedia

    en.wikipedia.org/wiki/Freshwater_ecosystem

    There are three basic types of freshwater ecosystems: Lentic (slow moving water, including pools, ponds, and lakes), lotic (faster moving water, for example streams and rivers) and wetlands (areas where the soil is saturated or inundated for at least part of the time).

  3. Ecosystem - Wikipedia

    en.wikipedia.org/wiki/Ecosystem

    An ecosystem (or ecological system) is a system formed by organisms in interaction with their environment. [2]: 458 The biotic and abiotic components are linked together through nutrient cycles and energy flows.

  4. Ecology - Wikipedia

    en.wikipedia.org/wiki/Ecology

    Ecology; Ecology addresses the full scale of life, from tiny bacteria to processes that span the entire planet. Ecologists study many diverse and complex relations among species, such as predation and pollination.

  5. Outline of life forms - Wikipedia

    en.wikipedia.org/wiki/Outline_of_life_forms

    The following outline is provided as an overview of and topical guide to life forms: . A life form (also spelled life-form or lifeform) is an entity that is living, [1] [2] such as plants (), animals (), and fungi ().

  6. Marine ecosystem - Wikipedia

    en.wikipedia.org/wiki/Marine_ecosystem

    Coral reefs are one of the most well-known marine ecosystems in the world, with the largest being the Great Barrier Reef.These reefs are composed of large coral colonies of a variety of species living together.

  7. Natural environment - Wikipedia

    en.wikipedia.org/wiki/Natural_environment

    Earth's layered structure: (1) inner core; (2) outer core; (3) lower mantle; (4) upper mantle; (5) lithosphere; (6) crust. Earth science generally recognizes four spheres, the lithosphere, the hydrosphere, the atmosphere and the biosphere [3] as correspondent to rocks, water, air and life respectively.

  8. River ecosystem - Wikipedia

    en.wikipedia.org/wiki/River_ecosystem

    This stream operating together with its environment can be thought of as forming a river ecosystem. River ecosystems are flowing waters that drain the landscape, and include the biotic (living) interactions amongst plants, animals and micro-organisms, as well as abiotic (nonliving) physical and chemical interactions of its many parts.

  9. Directorate General of Nature Resources and Ecosystem ...

    en.wikipedia.org/wiki/Directorate_General_of...

    The Directorate General of Nature Resources and Ecosystem Conservation (Indonesian: Direktorat Jenderal Konservasi Sumber Daya Alam dan Ekosistem, also known as Ditjen KSDAE) is a directorate general under the Ministry of Environment and Forestry of the Republic of Indonesia.