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Prasad, Soumya
- Addressing the Management of a Long-established Invasive Shrub: the Case of Lantana Camara in Indian Forests
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Authors
Affiliations
1 Centre for Ecological Sciences, Indian Institute of Science, Bangalore 560012, Karnataka, IN
2 CSIRO Ecosystem Sciences – Atherton, Maunds Road, Atherton QLD 4883, Australia, IN
3 Rajaji National Park, Uttarakhand Forest Department, IN
1 Centre for Ecological Sciences, Indian Institute of Science, Bangalore 560012, Karnataka, IN
2 CSIRO Ecosystem Sciences – Atherton, Maunds Road, Atherton QLD 4883, Australia, IN
3 Rajaji National Park, Uttarakhand Forest Department, IN
Source
Indian Forester, Vol 140, No 2 (2014), Pagination: 129-136Abstract
Since its introduction in India 200 years ago, Lantana camara (Lantana) has become established and naturalised across a wide range of habitats. In Indian protected areas, lantana has been predominately managed using a range of mechanical removal approaches, costing up to 6000 per hectare. However, managed sites are rapidly recolonized by lantana and management programmes rarely achieve their goal of lantana eradication. In present study, we quantified recolonisation of lantana at sites that were either managed only once or for two consecutive years in Rajaji National Park, Uttarakhand. Rapid recolonisation and recruitment is occuring from seed dispersal from surrounding lantana populations, soil seed banks and vegetative regeneration. To manage lantana effectively we need to consider these ecological processes. An alternate management programme is recommended for long-established invasive plants such as lantana, that focuses on (a) prioritizing critical habitats that require management of invasive species (b) long-term monitoring and management scaled to timeframes of ecological processes, i.e., lantana dispersal and soil seed banks, and (c) phased enlargement of managed sites such that over time, high-priority habitats can be isolated from dispersal originating from surrounding lantana source populations.Keywords
Dispersal, Invasive Species Management, Lantana Camara, Rajaji National Park, Regeneration.References
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- Nest Site Characterization of Sympatric Hornbills in a Tropical Dry Forest
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Authors
Affiliations
1 Centre for Ecological Sciences, TE-13, Biological Sciences Building, Indian Institute of Science, Bengaluru 560 012, IN
2 School of Life Sciences, Jawaharlal Nehru University, New Mehrauli Road, New Delhi 110 067, IN
3 School of Marine and Tropical Biology, James Cook University, AU
4 CSIRO Ecosystem Sciences, Maunds Road, Atherton Qld 4883, AU
1 Centre for Ecological Sciences, TE-13, Biological Sciences Building, Indian Institute of Science, Bengaluru 560 012, IN
2 School of Life Sciences, Jawaharlal Nehru University, New Mehrauli Road, New Delhi 110 067, IN
3 School of Marine and Tropical Biology, James Cook University, AU
4 CSIRO Ecosystem Sciences, Maunds Road, Atherton Qld 4883, AU
Source
Current Science, Vol 108, No 9 (2015), Pagination: 1725-1730Abstract
Hornbills, among the largest and most threatened tropical frugivores, provide important seed dispersal services. Hornbill nest site characteristics are known primarily from wet tropical forests. Nests of the Indian grey hornbill Ocyceros birostris and Oriental pied hornbill Anthracoceros albirostris were characterized in a tropical dry forest. Despite A. albirostris being twice the size of O. birostris, few of the nest cavity attributes were different. A. albirostris nests were surrounded by higher proportion of mixed forest and lower sal forest compared to O. birostris. In this landscape, the larger A. albirostris may prefer to nest in sites with more food plants compared to the smaller O. birostris.Keywords
Anthracoceros albirostris, Nesting Ecology, Ocyceros Birostris, Tropical Forests.- Trash on the Menu:Patterns of Animal Visitation and Foraging Behaviour at Garbage Dumps
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Authors
Affiliations
1 School of Life Sciences, Jawaharlal Nehru University, New Delhi 110 067, IN
2 Asian Adventures, New Delhi 110 065, IN
3 Nature Science Initiative, 36 Curzon Road, Dehradun 248 001, IN
1 School of Life Sciences, Jawaharlal Nehru University, New Delhi 110 067, IN
2 Asian Adventures, New Delhi 110 065, IN
3 Nature Science Initiative, 36 Curzon Road, Dehradun 248 001, IN
Source
Current Science, Vol 115, No 12 (2018), Pagination: 2322-2326Abstract
Garbage accumulation around terrestrial nature re-serves poses a risk to many species. We monitored animal visitation patterns and foraging behaviour at garbage dumps near a forested area in Uttarakhand Himalaya, India, to examine plastic consumption by animals. We recorded 32 species of birds and mam-mals visiting garbage dumps and classified them as ‘peckers’, ‘handlers’ and ‘gulpers’ based on their foraging behaviour. Gulpers (carnivores and rumi-nants) were observed feeding more frequently and spent longer durations (3.8 ± 0.2 min) at garbage dumps. Our results highlight the importance of at-source segregation of waste to prevent wild and domestic animals from ingesting hazardous wastes, including plastics at garbage dumps.Keywords
Animal Visitation, Foraging Behaviour, Terrestrial Vertebrates, Unsegregated Garbage.References
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