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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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        Abstract - Issue Nov 2016, 37 (6)                                                                                                             Back



nstantaneous and historical temperature effects on a-pinene

Bee diversity assemblage on pigeon pea, Cajanus cajan along

habitat gradient

 

 

Gurpreet Singh Makkar1 and Pardeep K. Chhuneja2*

1Department of Plant Breeding and Genetics, Punjab Agricultural University, Ludhiana?141 004, India

2Department of Entomology, Punjab Agricultural University, Ludhiana?141 004, India

*Corresponding Author E-mail: pkchhuneja@pau.edu 

 

Publication Data

Paper received:

09 July 2015 

 

Revised received:

26 October 2015

 

Re-revised received:

22 February 2016

 

Accepted:

25 March 2016

  

Abstract

 

The regional bee diversity was investigated on pigeon pea in three agroclimatic zones of Punjab state in northern India. Of the total nine species recorded, population of Megachilids, in particular, was significantly higher in all the three zones. Appraisal of diversity metrics revealed highest bee community diversity in Sub-mountain Undulating zone, followed by Central Plain zone, while least diversity was noted in Western zone, which highlighted the effect of habitat on species richness and abundance. Diurnal variations were evident with the most diverse bee communities recorded at 11:00 hr, followed by at 14:00 and 08:00 hr, with the lowest community diversity at 17:00 hr. The relative abundance of bee species was highly in favour of non-Apis species than Apis species. The results obtained can be used in the application of risk management through planned plant protection measures, study of plant-pollinator interactions along with conservation and augmentation of bee species.

 

 Key words

Agroclimatic zones, Bee pollinators, Cajanus cajan, Diurnal abundance, Species diversity

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