SECONDARY PRODUCTIVITY OF ENTOMOFAUNA IN FRUIT ORCHARDS OF DISTRICT NAINITAL

SECONDARY PRODUCTIVITY OF ENTOMOFAUNA IN FRUIT ORCHARDS OF DISTRICT NAINITAL, UTTARAKHAND, INDIA

P.C. Joshi and Naveen C. Joshi
Department of Zoology and Environmental Sciences, Gurukula Kangri University, Haridwar-249404, India.
E-mail : ncjoshi83@yahoo.com
Abstract:

Secondary productivity of herbivorous insects in fruit orchards of Mukteshwar area of district Nainital was estimated. A total of 112 species of herbivorous insects belonging to 8 orders and 31 families were collected. The population density and biomass of insects ranged between 0.43 to 28.69 ha-1 and 10.62 and 184.45 mg ha-1, respectively. The cumulative net secondary productivity was 253.51 mg ha-1 in the first year and 183.57 mg ha-1 in the second year of study.

Keywords: herbivorous, insects, productivity, population density, biomass

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