If a proposal by the forest department takes off, one of the most ambitious campaigns for reclaiming land for plantations would be carried out in the state. The plan includes reclaiming waterlogged land around rivers, non-cultivable land around ravines and saline land for cultivation of trees.

In foothills of Shiwaliks due to presence of torrents, soil erosion is very serious problem. The flow acquires accelerated velocity at it travels down the slope and consequently becomes highly erosive in nature. Study aea of Baroi Khad (rainy season torrents) lies at Akhnoor Tehsil of Jammu district in Jammu and Kashmir state.

Out of the total geographical area of India about 53% suffers from different kinds of land degradation, and Uttar Pradesh accounts for 9.06%. About 4.0 m ha (11.03%) area of the country is suffering from ravine problem. U.P. shares 1.230 m ha (31%) ravine land of the country spread over in 25 districts of the state.

The air-breathing freshwater fish Clarias is represented by three species in the aquatic ecosystems of Kerala: Clarias batrachus Hamilton (the walking catfish), Clarias dayi Hora (Malabar catfish) and Clarias dussumieri Valenciennes (Valenciennes clariid). However, the populations of these species are declining sharply in Kerala and Clarias has became rare now. (Correspondence)

Land degradation is a serious menace to food security. Salinity-related land degradation is becoming a serious challenge to food and nutritional security in developing countries. Order vertisols has problem of salinity throughout the country. The vertisols and their associates cover nearly 257 m ha of the earth

KOLLAM: Agriculture Minister Mullakkara Ratnakaran has said that the expatriate Keralites also have directly or indirectly contributed to the decline in the acreage of paddy fields.

Inaugurating a seminar on rehabilitation of NRKs organised as part of the district convention of Kerala Pravasi Federation here on Monday, the Minister said that their investments in the real estate and housing sect

Holland is famous for its polders, or reclaimed land below sea level. The shaping of the Dutch landscape goes back to the 12th century, when rising water levels threatened agricultural land.

A forest ecosystem was developed on barren sodic land at Banthra Research Station of National Botanical Research Institute, Lucknow, during 1960s. About 74 species belonging to 34 families were recorded in this new forest, which was characterized as mixed dry sub-tropical forest with deciduous and evergreen species.

Plans for a new international airport in the coastal city of Mumbai will destroy yet more of its mangrove ecosystems, and there are fears the deal has already been closed.

Dr Jaikumaran, a professor at the Kerala Agriculture University (KAU), has been building a Food Security Army (FSA)

Pages