Ranbeer Rawal

Ranbeer Rawal
GB Pant Institute of Himalayan Environment and Development · Biodiversity Conservation and Management

About

254
Publications
161,214
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5,450
Citations
Citations since 2016
140 Research Items
4142 Citations
201620172018201920202021202202004006008001,000
201620172018201920202021202202004006008001,000
201620172018201920202021202202004006008001,000
201620172018201920202021202202004006008001,000

Publications

Publications (254)
Chapter
Feeding millions of undernourished people in the Himalayan region depends not only on the increased productivity of a limited number of domesticated crops but would require optimal use of biodiversity. Wild edible plants are an important source of nutritional and alternative food in the region. Among others, Pyracantha crenulata (P. crenulata) is a...
Article
Full-text available
Polygonatum cirrhifolium (Wall.) Royle is an important medicinal herb of the family Asparagaceae used to cure several ailments. The rhizome of the species forms an important ingredient of “Chyavanprash” which is identified for its rejuvenating properties. However, P. cirrhifolium is least explored scientifically and systematically till date. Theref...
Chapter
Malaxis acuminata is one among the 300 species of the genus with medicinal properties and hence used in traditional Indian medicine system. The species is a perennial, monopodial, threatened terrestrial orchid distributed in moist ground and in rocks laden with mosses in south Asia including, Himalaya and southern Indian hills, Australia, and weste...
Article
Hippophae tibetana is valuable wild edible berry, which is utilized as a supplement of food, traditional‐folk medicine system by rural populace of the Johar valley, Pithoragarh district India. The study focused on quantitating the nutrient composition, polyphenols, and free radical scavenging activities of the specie (in different solvent extracts)...
Article
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The spatial distributions of plant species are results of variable environmental gradients, including climatic and edaphic factors, biotic factors, different eco-physiological processes, species-specific characteristics, and resource requirements, thus producing spatial heterogeneity. The species distribution and their rate of change across elevati...
Preprint
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Polygonatum cirrhifolium is an important medicinal herb of family Asparagaceae used to cure several ailments. Its rhizome forms an important ingredient of “Chyavanprash” which is identified for its rejuvenating properties. However, P.cirrhifolium is least explored scientifically and systematically till date. Therefore, in this study genetic diversi...
Article
Full-text available
In this study heat-assisted extraction conditions were optimized to enhance extraction yield of antioxidant polyphenols from leaves of Himalayan Quercus species. In initial experiments, a five-factor Plackett-Burman design including 12 experimental runs was tested against the total polyphenolic content (TP). Amongst, X A : extraction temperature, X...
Article
Full-text available
Understanding the species richness and β-diversity patterns along elevation gradients can aid in formulating effective conservation strategies particularly in areas where local anthropogenic stresses and climate change are quite significant as in the Himalaya. Thus, we studied macrolichen richness and β-diversity along elevational gradients at thre...
Cover Page
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Over 600 years old magnificent birch tree at Darma Valley, Kumaun region, Western Himalaya
Article
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Quercus semecarpifolia is one among the few tree species, which dominate the upper temperate and subalpine zone of high altitude Himalayan forests. In the present study an attempt was made to analyze the distribution and population structure of Q. semecarpifolia in a high altitude forested landscape of western Himalaya. Standard phytosociological m...
Chapter
Valeriana jatamansi is a medicinal herb generally known as Indian Vale rian belongs to family Caprifoliaceae. This is an herbal plant blended with many medicinal properties such as stimulant, carminative, antispasmodic, cytotoxic and aromatic property. The herb is used in custom and advanced medicine system for curing various ailments and in flavor...
Article
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Globally, Indigenous Knowledge Systems (IKSs), which have evolved through rigorously tested methods and practices, are a testimony of human intelligence and endurance. The diversity of goods such as food, beverages, herbs, etc., and its associated systems, which form an integral part of modern cuisine and healthcare systems, are deeply rooted in IK...
Article
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Trees are acknowledged as most valued gift of nature and saviour of earth, enhancing and protecting landscapes, ecosystems and production systems. An authentic database of tree flora missing from local to global scale has immense value. Formulation of conservation and management policies are difficult owing to huge variation in number of species, l...
Article
Polygonatum verticillatum (L.) All. is an important medicinal herb that belongs to the family Asparagaceae. The rhizome of the species is used in Chyavanprash preparation and several other ayurvedic formulations. Numerous active constituents like saponins, alkaloids, phytohormones, flavonoids, antioxidants, lysine, serine, aspartic acid, diosgenin,...
Article
Forest vulnerability assessment with ground realities/ data has great implications for adaptation and management planning at local and regional scale. However, such assessments are still limited across globe including the Himalaya. In view of this, present study derived a spatial map of inherent forest vulnerability using ground based observation a...
Article
Community Forests (CFs) are considered as an important means of forest management, biodiversity conservation, poverty reduction and ecological sustainability all across the world. Present study is an attempt to understand if CFs in west Himalayan part of India (referred as Van Panchayat) is effective in performing such role of conservation and sust...
Article
Valeriana jatamansi Jones and Hedychium spicatum Ham-ex-Smith are important medicinal herbs of the Himalayan region, which are highly demanded by pharmaceutical industries. Climatic variability especially increasing temperature and water deficit affects the growth and productivity of these species. In addition, increased temperature and water defic...
Article
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The Himalaya, as provider of goods and range of ecosystem services, is vital for sustaining life of millions of people in uplands and billions in lowlands. Indian National Action Plan on Climate Change has recognized the region vital for ecological security of the country. However, growing demand for bio-resources, combined with inadequate apprecia...
Article
Full-text available
Dactylorhiza hatagirea (D. Don) Soo (Orchidaceae) is a critically endangered high-value medicinal plant collected from wild and extensively used against diabetes, cuts/wound healing, gastric disorders, chronic fever, seminal weakness/dysfunctions, and bone fractures. The tuber of the species yields high quality “Salep” having astringent and aphrodi...
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This article enumerates the findings of a team research on the Indian Himalayan timberline ecotone, with focus on three sites (located in Kashmir, Utta-rakhand and Sikkim). Timberline elevation increased from west to east, was higher in the warmer south aspect than the cooler north aspect, and was generally depressed. Betula, Abies, Rhododendron an...
Article
Full-text available
This article enumerates the findings of a team research on the Indian Himalayan timberline ecotone, with focus on three sites (located in Kashmir, Utta-rakhand and Sikkim). Timberline elevation increased from west to east, was higher in the warmer south aspect than the cooler north aspect, and was generally depressed. Betula, Abies, Rhododendron an...
Article
Full-text available
An in vitro propagation protocol has been developed for Berberis asiatica, an important Himalayan medicinal shrub. Significantly higher in vitro seed germination (50%) was obtained in Murashige and Skoog (MS) medium with 1.0 µM 6-benzyladenine (BA). MS medium containing 1.0 µM BA and 0.1 µM 2,4-dichlorophenoxyacetic acid (2,4-D) yielded maximum cal...
Article
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Global mountains, including the Himalaya, are highly vulnerable ecosystems, especially given climate and land-use changes. Here, we compile the literature on Himalayan biodiversity in order to assess spatial and taxonomic trends in research during the past 200 years. We identified 35,316 research outputs, including 28,120 journal articles, 3,725 do...
Article
Altitude is a determining factor of vegetation composition, ecosystem properties and processes, and availability of soil nutrients. Present study examined soil nutrients at two depths i.e. 0–15 cm and 15–30 cm along altitudinal gradients (1800–4000 m asl) in the Indian western Himalaya. Results of the study reveals an increase in organic carbon (OC...
Article
Full-text available
P. cirrhifolium, P. multiflorum and P. verticillatum are important medicinal herb of genus Polygonatum found in Himalaya and are used in many ayurvedic formulations including Chyavanprash. However, a comparative account on their biochemical attributes in Himalaya is still lacking. Therefore, the present attempt was made to explore the polyphenolics...
Article
Mountains are global important sites for monitoring biological and socio-ecological responses to climate change, and the Himalaya has some of the world’s most rapid and visible signs of climate change. The increased frequency and severity of climate anomalies in the region is expected to significantly affect livelihoods of indigenous communities in...
Chapter
Malaxis acuminata is one among the 300 species of the genus with medicinal properties and hence used in traditional Indian medicine system. The species is a perennial, monopodial, threatened terrestrial orchid distributed in moist ground and in rocks laden with mosses in south Asia including, Himalaya and southern Indian hills, Australia, and weste...
Article
Full-text available
Meconopsis merakensis Tosh.Yoshida, R.Yangzom & D.G.Long var. merakensis is reported for the first time in India, from the Tawang district of Arunachal Pradesh. It has deeply nodding, bowl-shaped, bluish or purplish flowers and the tip of the elongate rachis is often curved. Morphological characteristics of the species were examined and photographi...
Article
Diabetes is a disease of serious concern faced by the health care industry today. Primary diabetes mellitus and its complications are still costly to manage with modern drugs. Extensive research on the screening of anti-diabetic agents in past decades established natural products as one of the major potential sources of drug discovery. However, onl...
Book
Full-text available
During the last three decades or so, interest on caterpillar fungus (Ophiocordyceps sinensis) from the high-altitude areas of the Himalaya has grown across the globe. Fast-growing global market demand and year by year increasing price at international markets have made this fungus very lucrative to local indigenous communities inhabiting higher Him...
Book
The institution of Sacred Groves (SGs) in Sikkim is long been in practice as community based nature conservation model which is deeply rooted with the existence of the communities of this region. The sacred groves in Sikkim are broadly categorized as, Gumpa forests and Devithan. The Gumpa forests' sacred groves are mainly worshipped and protected b...
Article
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Valeriana jatamansi Jones is an important herbaceous plant of the Caprifoliaceae family used for the treatment of insomnia and stress-related disorders, due to its sedative and anxiolytic properties. In the present study, the aerial parts and roots of the species collected in three phenological stages (pre-flowering, flowering and post-flowering) f...
Chapter
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Myrica exculenta Buch.-Ham. ex D. Don. Syn. Myrica nagi Hook. is a wild edible fruit bearing woody tree species belonging to family Myricaceae. Genus Myrica comprises of around 18 species with a wide distribution, including Africa, Asia, Europe, North America and South America, and missing only from Australia. Among other species, Myrica rubra is n...
Chapter
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Meizotropis pellita (Family-Fabaceae) is an endemic and endangered shrub grows in Patwadanger region, Nainital, Uttarakhand. In the present study, biochemical attributes of the species propagated in different growth conditions (i.e., open field, glass house, net house, and polyhouse) was investigated. Significant (p < 0.05) variations were record...
Chapter
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Deforestation and forest degradation due to environmental change and anthropogenic pressure have resulted in significant reduction in the provision of valuable ecosystem goods and services. UNFCCC has emphasized forest conservation as a part of achieving sustainable development. These efforts have been reinforced through new global development agen...
Article
Full-text available
Hedychium spicatum Sm. is a perennial, rhizomatous, essential oil bearing, plant belongs to the family Zingiberaceae. In the present study, essential oil composition in rhizome part was analysed among 16 populations located in diverse habitat conditions in west Himalaya. A total of 39 compounds were identified accounting 89.59–98.51% of the volatil...
Article
Total phenolics and antioxidant activity varied significantly (p < 0.05) throughout the year, and phenolic content was found to be 1.5 to 2.0 fold higher in the preparation of senescence stage than the vegetative stage, while antioxidant activity was 1.5 to 3.0 fold higher in flowering and fruiting stage than the shoot bud bursting stage. The bioch...
Article
Mahonia jaunsarensis (Family Berberidaceae) is an endemic species of the Himalaya narrowly distributed in Chakrata hills of Uttarakhand. Considering that the species is traditionally used by local inhabitants for various purposes, this study was made to explore its biochemical attributes using diverse solvent systems, i.e., ethanol, methanol and di...
Article
Full-text available
In the Himalayan hills, woody plant species form a major source of fuelwood. This practice often leads to degradation of forests and raises several management issues. However, lack of adequate information about use patterns and species-level trends of utilization results in gaps in management planning and interventions. Realizing this, a detailed s...
Article
Full-text available
Polygonatum verticillatum (L.) All. is one among eight species of Astavarga group of plants known for its vitality strengthening properties and used in different herbal formulations. However, systematic investigation on morphology and antioxidant phytochemicals in relation to different environmental variables like altitude and habitat conditions is...
Article
Full-text available
Berberis, one of the major sources of berberine and polyphenols, is widely accepted genus for its medicinal properties. The inclusion of these phytochemicals in different health formulations has widened its scope in pharmaceuticals and nutraceuticals. In the present study, multi-component analysis (MCA) has been used to extract these nutraceutical...
Chapter
Various studies have reported that the entire Himalayan region is prone to ongoing climate change. There are a few regions in the world where these changes might be as rapid as found in case of Himalaya. The increase in average temperature is expected to be much higher in this region as compared to global average warming. With the expected changes...
Article
The Himalaya is often referred to as forested landscape, which provides a range of ecosystem services vital for sustaining life of billions of people. The region is recognized amongst the 35 global biodiversity hotspots for its unique and rich biodiversity. Also, the region is highly vulnerable to perturbations due to anthropogenic disturbances and...
Article
Full-text available
Populations of Polygonatum cirrhifolium (Wall.) Royle and Malaxis muscifera (Lindl.) Kuntze are restricted to small pockets and are subject to destructive harvesting (rhizomes/pseudobulbs) from wild. Being under high threat categories considering habitat specificity, population size, utilization and extraction trends, both the species need conserva...
Article
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Invasion by alien species is a global problem and forms one of the major drivers of global change. The researches on plant invasion have grown rapidly across the globe since the mid-twentieth century. However, in the Indian Himalayan Region (IHR) such studies are inadequate and have not been systematically conducted. Lack of empirical evidences on...
Chapter
The extent and diversity of Himalayan forests are well known, and evidence suggests these forests differ significantly from both tropical and temperate forests of the world. These forests are vulnerable to various perturbations (anthropogenic and natural). However, the extent of sensitivity for diverse forests is not known. Therefore, all forests a...
Chapter
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The Himalayan mountains have emerged among the most sensitive ecosystems under the global climate change (CC) scenario. Impacts of CC are realized all across the physical, biological and socio-economic components of the ecosystems. Particularly, community distribution range of plant species and their phenologies are predicted to experience varying...
Article
Full-text available
Wild fruits are important food resources that provide health promoting nutraceutical components, which vary with ripening stages. In present study, five wild edible fruits of Indian Himalayan Region i.e., Myrica esculenta, Berberis asiatica, Rubus ellipticus, Pyracantha crenulata and Morus alba were examined for their nutraceutical potential at dif...
Cover Page
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The initiatives taken by G. B. Pant National Institute of Himalayan Environment and Sustainable Development, Sikkim Regional Centre (GBPNIHESD-SRC) under Khangchendzonga Landscape Conservation and Development Initiative (KLCDI), India programme with the support from Mutanchi Lom Aal Shezum (MLAS), a local organization of Dzongu for the documentatio...
Article
Full-text available
Efficient micropropagation procedure was developed for Origanum vulgare, a high-value culinary herb, and the phytochemicals, phenolic content, antioxidant and antimutagenic activity of leaf and stem, derived from different growing stages were analyzed. The agar solidified Murashige and Skoog (MS) medium supplemented with a combination of 6-benzylam...
Article
The Himalaya, as provider of range of goods and ecosystem services, is vital for sustaining the life of billions of people. Recognition as one of the Global biodiversity hotspot implies its global significance. The forest ecosystems and plant biodiversity in the region is predicted to respond to the rapid warming and the human induced perturbations...
Article
Full-text available
The study attempts quantitative assessment of the use value of traditionally used woody species in a representative mid-Himalayan watershed of west Himalaya. Ethnobotanical surveys were conducted in the fringe villages of altitudinally diverse forested area of the watershed covering different age group respondents. A total of 34 woody species (27 t...
Chapter
Medicinal mushrooms with therapeutic importance are being utilized for the treatment of a variety of severe manifestations. Particularly, Ophiocordyceps sinensis, a genus of ascomycete fungi, which parasitize mainly on insects and other arthropods, has been intensively studied in various disease models. This fungus is found naturally in the Tibetan...
Book
The industry of nutritional supplements is increasing worldwide, and health professionals and consumers demand evidence that supports the benefits and safe use of these supplements. This book aims to assess the clinical evidence of many nonvitamin and nonmineral (NVNM) nutritional supplements available in the market, in order to be a valuable decis...
Article
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Hindu Kush Himalaya is home to many cultural and religious sites. The literature on the valuation of cultural sites in the mountain terrains is thin. Hence, their development and sustainability are often ignored. Using primary survey data from three different sites in the Kailash Sacred Landscape of India and Nepal, the cultural value of religious...
Article
Quercus floribunda, an important western Himalayan oak, has a great ecological importance. As seeds are sensitive to moisture loss, seed maturation and germination is, therefore, synchronized with the commencement of monsoon rainfall. A delay in monsoon can thus drastically inhibit the recruitment of seedlings. However, the level of such sensitivit...
Article
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The study documents plant diversity within a forested high altitude zone (2000– 3500 m asl) of Uttarakhand wherein 1471 plant species (106 trees, 233 shrubs and 1132 herbs) occur. The lowest belt, 2000–2500 m exhibited the highest diversity (815 spp.; 55.4%). A sharp decline in tree and shrub species representation was apparent with increasing alti...