N.H. Ravindranath's research while affiliated with Indian Institute of Science and other places

Publications (260)

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Heritiera fomes Buch.-Ham. is assessed as an endangered mangrove species by IUCN, and information on population status is lacking. The present study assesses the status of H. fomes in Mahanadi Mangrove Wetland on the east coast of India. Three forest blocks were selected and sampled for this study. Among these, the mean girth at breast height (GBH)...
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Mahatma Gandhi Rural Employment Guarantee Scheme a large social security programme being implemented in India, with an average annual investment of US$ 7 billion. The bulk of the activities under this programme are focused on natural resources such as land, water and trees, which provide adaptation benefits. In this study an attempt is made to esti...
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Understanding the vulnerability of forests and its associated factors is crucial for the sustainable management of forested landscapes. The assessment of vulnerability of forests in the Indian Western Himalayan (IWH) region comprising the states of Jammu & Kashmir (J&K), Himachal Pradesh (HP) and Uttarakhand (UK) was done using six indicators of vu...
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India has the largest area of rainfed dryland agriculture globally, with a variety of distinct types of farming systems producing most of its coarse cereals, food legumes, minor millets, and large amounts of livestock. All these are vital for national and regional food and nutritional security. Yet, the rainfed drylands have been relatively neglect...
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As countries advance in greenhouse gas accounting for climate change mitigation, consistent estimates of aboveground net biomass change are needed. Countries with limited forest monitoring capabilities in the tropics and sub‐ tropics rely on IPCC 2006 default rates, which are values per ecological zone, per continent. Similarly, research into fores...
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The Himalayan ecosystem is one of the sensitive and fragile ecosystems with rich biodiversity that provides major ecosystem services. The study was conducted to measure the extent of vulnerability across forested grids of Uttarakhand—one of the States of Indian Western Himalayan (IWH) region. The forests of the state are exposed to various anthropo...
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Forests are one of the major sources of livelihood that need to be conserved. In India, there have been continuous efforts to evolve a scientific basis for sustainable management of forests. In recent century, this has primarily been addressed through “forest management plans,” also known as “working plans.” To make the plans uniform for each of th...
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A multi-model-based assessment is made to assess the trends and variability in the land carbon uptake in India during the period 1901–2010. Data from nine models, used in a recent land surface model inter-comparison project called TRENDY, are used for this purpose. Our analysis is focused on the trends and variability in the net primary productivit...
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The Intergovernmental Panel on Climate Change (IPCC), Working Group II Report (2014) presents vulnerability as a pre-existing characteristic property of a system. Accordingly, indicators for ‘sensitivity’ and ‘adaptive capacity’, which are internal properties of a system, are employed to assess it. Comparatively, the IPCC 2007 report includes ‘expo...
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The PhenoPine is a Growing Degree Day (GDD) simulation model that can be used to trace the phenology of pine (Pinus roxburghii) under changing regimes of ambient temperature rise. The PhenoPine was developed using field-based observations for pine-a dominant tree species under the "Chir Pine forests" of Indian Western Hi-malayan region. Phenologica...
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In this study, information is collected on the weather, soils, field management and agricultural statistics in the Bangladesh, India and Myanmar (BIM) region. Crop growth parameters within the EPIC (Environmental Policy Integrated Climate) model are calibrated using cultivar data and regional experimental records of indica hybrid rice Fyou498 and F...
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Understanding climate change vulnerability of Indian forests has received wider attention in recent years and a number of assessments with different approaches have emerged over time. These assessments have mostly used climate-sensitive vegetation models to explain the climate change impacts. In these studies, trees constituting a particular forest...
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There is a range of problems in assessing how protection of a specific forest to Reduce Emissions from Deforestation and forest Degradation (REDD+) affect global emissions of greenhouse gases. This paper shows how knowledge and information about the biophysical characteristics of forests can be combined with theories of forest management and econom...
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Non-timber forest products are a significant source of income and an integral part of development. The contribution of NTFPs to economy is unknown and could be higher than that of timber products, still retaining the significant biodiversity and ecosystem services. However, there is limited data on the production, yield and harvest levels and techn...
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Biodiversity and ecosystem services play key roles in future economic strategies seeking to promote development and prosperity. This study assesses the status of biodiversity and flow of ecosystem services from selected forest types in the Western Ghats. At the sampling sites, the number of tree species ranged from 16 to 79 per hectare depending on...
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Mangrove forest patches and plantations with known age of plantation along both western and eastern coast of India were sampled for estimation of standing biomass and C stocks. A sample plot of 0.1 ha (1000 m²) was laid in each patch depending on the contour of the patch. All woody stems >1 cm dbh were identified, measured for size and heights were...
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Forests are subjected to stress from climatic and non-climatic sources. In this study, we have reported the results of inherent, as well as climate change driven vulnerability assessments for Indian forests. To assess inherent vulnerability of forests under current climate, we have used four indicators, namely biological richness, disturbance index...
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Implementation of the Paris Agreement would require transformative technologies, policies and measures to stabilize warming in the range 1.5-2°C. Operationalization of the Paris Agreement would necessitate large-scale estimation, monitoring, modelling, reporting and verification of GHG inventories, mitigation actions and their implications and co-b...
Technical Report
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Two dynamic global vegetation models (DGVMs), IBIS and LPJ, were used to assess the projected impacts of climate change on forests in terms of the shifts in vegetation types and changes in NPP (net primary productivity) in the mid Brahmaputra, Koshi, and upper Indus river basins. Changes were assessed for the mid-term (2021–2050) and longterm (2071...
Technical Report
Full-text available
Two dynamic global vegetation models (DGVMs), IBIS and LPJ, were used to assess the projected impacts of climate change on forests in terms of the shifts in vegetation types and changes in NPP (net primary productivity) in the mid Brahmaputra, Koshi, and upper Indus river basins. Changes were assessed for the mid-term (2021–2050) and longterm (2071...
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Mangrove forest ecosystem is one of the important carbon sinks in the tropics. The role of mangrove forests in mitigating climate change through reduced deforestation is well recognized. The present field study aimed to estimate the carbon stocks of Mahanadi Mangrove Wetland (MMW), east coast of India. Carbon stocks were estimated in vegetation and...
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Mangrove forest ecosystem is one of the important carbon sinks in the tropics. The role of mangrove forests in mitigating climate change through reduced deforestation is well recognized. The present field study aimed to estimate the carbon stocks of Mahana-di Mangrove Wetland (MMW), east coast of India. Carbon stocks were estimated in vegetation an...
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The study of biomass, structure and composition of tropical forests implies also the investigation of forest productivity, protection of biodiversity and removal of CO2 from the atmosphere via C-stocks. The hereby study aimed at understanding the forest structure, composition and above ground biomass (AGB) of tropical dry deciduous forests of Easte...
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The study of biomass, structure and composition of tropical forests implies also the investigation of forest productivity, protection of biodiversity and removal of CO2 from the atmosphere via C-stocks. The hereby study aimed at understanding the forest structure, composition and above ground biomass (AGB) of tropical dry deciduous forests of Easte...
Article
An ecologically planned greening strategy in an urban landscape helps provide a healthy and wholesome environment for its citizens and, at the same time, promotes biodiversity, offers ecosystem services, raises awareness about environmental conservation, protects the city’s environment (from pollution), and ameliorates climate locally. Designing a...
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Climate change impact and vulnerability assessment at state and regional level is necessary to develop adaptation strategies for forests in the critical Himalayan region. The present study assesses forest ecosystem vulnerability to climate change across Himachal Pradesh under a range of climate scenarios and presents ranking of the districts in the...
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Despite high vulnerability, the impact of climate change on Himalayan ecosystem has not been properly investigated, primarily due to the inadequacy of observed data and the complex topography. In this study, we mapped the current vegetation distribution in Kashmir Himalayas from NOAA AVHRR and projected it under A1B SRES, RCP-4.5 and RCP-8.5 climat...
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Assessment of vulnerability is an important step in building long-term resilience in the forestry sector. The objective of this paper is to present a methodological approach to assess inherent vulnerability of forests at landscape level. The approach involves use of vulnerability indicators, the pairwise comparison method, and geographic informatio...
Technical Report
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An Advisory Document prepared by the Scientific and Technical Advisory Panel (STAP) of the Global Environment Facility (GEF). Also available at: https://www.stapgef.org/sites/default/files/publications/Biofuels_March%202015.pdf
Technical Report
How much of India’s vast wasteland can be used for growing plants such as eucalyptus and Jatropha? As land demands have increased, the sustainable use of marginal lands has become increasingly important. In India about 47 million hectares, or 15 percent of the total geographical area, is classified as wastelands. Here we assess the climate and land...
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Reducing carbon emissions from deforestation and forest degradation (REDD) is expected to play key role in mitigating climate change. In this context, forest carbon inventory at national level and state/regional levels is essential. In this paper, we have estimated the total carbon stocks in forests of Odisha state in India i.e. 444.05 Mt, consisti...
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Myriostachya wightiana (Nees ex Steud.) Hook. f. is one of the important salt marsh grass in mangrove areas belonging to the family Poaceae. It plays a vital role in soil conservation, phytoremediation, provides habitat for fishes and other organisms and livelihood to local rural people in and around mangrove areas. We have conducted few case studi...
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In the present paper, we present the structure and composition of tropical evergreen and deciduous forests in the Western Ghats monitored under a long-term programme involving Indian Institute of Science, Earth watch and volunteer investigators from HSBC. Currently, there is limited evidence on the status and dynamics of tropical forests in the con...
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Purpose – The purpose of this study is to estimate carbon mitigation impacts of project activities in a community forestry project in Andhra Pradesh, India. Measurement and quantification of carbon stocks, monitoring of these stocks over time and projections using models is necessary for assessing the climate change mitigation potential or impacts...
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Bioenergy deployment offers significant potential for climate change mitigation, but also carries considerable risks. In this review, we bring together perspectives of various communities involved in the research and regulation of bioenergy deployment in the context of climate change mitigation: Land-use and energy experts, land-use and integrated...
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Periodic estimation, monitoring and reporting on area under forest and plantation types and afforestation rates are critical to forest and biodiversity conservation, sustainable forest management and for meeting international commitments. This article is aimed at assessing the adequacy of the current monitoring and reporting approach adopted in Ind...
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Forest-management goals in the context of climate change are to reduce the adverse impact of climate change on biodiversity, ecosystem services and carbon stocks. For developing an effective adaptation strategy, knowledge on nature and sources of vulnerability of forests is necessary to conserve or enhance carbon sinks. However, assessing the vulne...
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The forest sector provides mitigation opportunities to address climate change. Afforestation and reforestation have been identified as important mitigation options. Thus, there is a need for estimating the mitigation potential at local, national and global levels. India has an ambitious plan to bring approximately 33% of its geographical area under...
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The agriculture, forestry and other land use (AFOLU) sector is responsible for approximately 25% of anthropogenic GHG emissions mainly from deforestation and agricultural emissions from livestock, soil and nutrient management. Mitigation from the sector is thus extremely important in meeting emission reduction targets. The sector offers a variety o...
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This is the IPCC 5th Assessment Report, WGIII, on GHG emissions from Agriculture, Forestry and Other Land Use, and their mitigation potentials
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IPCC AR5 Agriculture, Forestry and Other Land Use (AFOLU)
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This study quantifies the environmental and socio-economic benefits generated by the works implemented under the Mahatma Gandhi National Rural Employment Guarantee Act and assesses the potential of these benefits to reduce vulnerability of agricultural production and livelihoods of the beneficiaries, post-implementation (2011-12) as compared to pre...