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Spatio-temporal Trends of Fire in Slash and Burn Agriculture Landscape: a Case Study from Nagaland, India : Volume Ii-8, Issue 1 (27/11/2014)

By Padalia, H.

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Book Id: WPLBN0003981810
Format Type: PDF Article :
File Size: Pages 7
Reproduction Date: 2015

Title: Spatio-temporal Trends of Fire in Slash and Burn Agriculture Landscape: a Case Study from Nagaland, India : Volume Ii-8, Issue 1 (27/11/2014)  
Author: Padalia, H.
Volume: Vol. II-8, Issue 1
Language: English
Subject: Science, Isprs, Annals
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2014
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Mondal, P. P., & Padalia, H. (2014). Spatio-temporal Trends of Fire in Slash and Burn Agriculture Landscape: a Case Study from Nagaland, India : Volume Ii-8, Issue 1 (27/11/2014). Retrieved from http://worldebooklibrary.com/


Description
Description: Forestry and Ecology Department, Indian Institute of Remote Sensing,ISRO, Dehradun 248001, India. Increasing incidences of fire from land conversion and residue burning in tropics is the major concern in global warming. Spatial and temporal monitoring of trends of fire incidences is, therefore, significant in order to determine contribution of carbon emissions from slash and burn agriculture. In this study, we analyzed time-series Terra / Aqua MODIS satellite hotspot products from 2001 to 2013 to derive intra- and inter-annual trends in fire incidences in Nagaland state, located in the Indo-Burma biodiversity hotspot. Time-series regression was applied to MODIS fire products at variable spatial scales in GIS. Significance of change in fire frequency at each grid level was tested using t statistic. Spatial clustering of higher or lower fire incidences across study area was determined using Getis-OrdGi statistic. Maximum fire incidences were encountered in moist mixed deciduous forests (46%) followed by secondary moist bamboo brakes (30%). In most parts of the study area fire incidences peaked during March while in warmer parts (e.g. Mon district dominated by indigenous people) fire activity starts as early as during November and peaks in January. Regression trend analysis captured noticeable areas with statistically significant positive (e.g. Mokokchung, Wokha, Mon, Tuensang and Kiphire districts) and negative (e.g. Kohima and north-western part of Mokokchung district) inter-annual fire frequency trends based on area-based aggregation of fire occurrences at different grid sizes. Localization of spatial clusters of high fire incidences was observed in Mokokchung, Wokha, Mon,Tuensang and Kiphire districts.

Summary
Spatio-Temporal Trends of Fire in Slash and Burn Agriculture Landscape: A Case Study from Nagaland, India

 

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