Ecological succession in grasslands i e graduationof the grass community to be replaced by trees is ...........

Environment and Ecology Concept of Ecosystems

Ecological succession in grasslands, i.e. graduationof the grass community to be replaced by trees, is verylimited largely due to

Large presence of insects and fungi

Very low temperatures

Paucity of water and frequent grass fires

All of the above

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Explanation:

Grasslands have more than 20 cm rainfall/yearbut not enough precipitation to support trees. Grasslands mayoccur in dry areas that too with frequent fires. This discouragestree growth.Moreover, the grass does not produce a lot of long-livedbiomass, and many of the nutrients are held in the soil due tothe deep and extensive root system. This makes the land goodfor agriculture and frequently cleared further discouraging treegrowth.