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Rama Rao, N.
- A Model for Periodical Augmentation of Income of the Communities Involved in Shelterbelt Plantations
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Indian Forester, Vol 137, No 8a (2011), Pagination: 96-99Abstract
Eucalyptus citriodora Hook. was introduced in the shelterbelt zone in traditional plantations of CasuQrina equisetijolia L. The plantations were raised in 3 ha through the coastal Vana Samrakshana Samithi at Chippada in Visakhapatnam district of Andhra Pradesh. Mixed plantations of the two species were tried in two independent blocks adopting 3 × 3 m and 2.5 × 2.5 m spacings separately. In addition, monospecific plantation of E. citriodora was tried independently in 2 × 2 m spacing. Striking difference could not be noticed in the yield of essential oil from E. citriodora obtained from the three kinds of spacings employed. However, mixed plantation with 2.5 × 2.S m spacing gave relatively better oil yield than the other two spacings. Average essential oil yield from the entire plantation area of 3 ha during each quarter from the third year onwards was 2.334 L priced at ' 300/- kg. The timber yield from C. equisetifolia on their attaining commercially exploitable size after five years was approxi mated to be 30 m3.Keywords
Casuarina Equisetifolia, Eucalyptus Citriodora, Essential Oil, Augmentation, Village Communities
- Assemblages of Macrobenthic Insect Larvae of the Sankosh River Basin in the Areas Boardering India and Bhutan
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1 Institute of Forest Biodiversity, Hyderbabd-500 100 (Andhra Pradesh), IN
2 Institute of Forest Genetics and Tree Breeding, Coimbatore-641 002, IN
3 Indian Council of Forestry Research and Education, Dehradun-248 006, IN
1 Institute of Forest Biodiversity, Hyderbabd-500 100 (Andhra Pradesh), IN
2 Institute of Forest Genetics and Tree Breeding, Coimbatore-641 002, IN
3 Indian Council of Forestry Research and Education, Dehradun-248 006, IN
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Indian Forester, Vol 142, No 5 (2016), Pagination: 493-501Abstract
A preliminary investigation on macrobenthic insect larvae of the Sankosh River and its permanent headwater streams carried out during the period from 2009 to 2010 has revealed significant results on the assemblages of various ecologically sensitive insect taxa. Beatidae, Simuliidae, Hydropsychidae, Chironomidae and Heptageniidae were the dominant taxa among the total of 37 insect families and Ephemeroptera, Diptera and Trichoptera were the dominant taxa among the total of 9 insect orders. Order Trichoptera was the richly represented taxa with 9 insect families followed by Diptera with 6 families and Hemiptera and Odonata with 5 families each. The abundance (%) of Ephemeroptera, Plecoptera and Trichoptera (EPT) taxa which account for 60.70% than that of all the other taxa was highly significant. A fairly good Biological Monitoring Working Party (BMWP) Score with an average of 50.31 out of the total 1308 was obtained for the 26 sampling stations, indicating relatively good water quality of the river system. The study, therefore, revealed the importance of aquatic macrobenthic insect diversity and its monitoring for better management of the river ecosystem.Keywords
Sankosh River, Benthic, Macro-Invertebrates, Insects, Biomonitoring.References
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