Invasive Alien Species

Order of the National Green Tribunal regarding deterioration of Nayar river, Uttarakhand, 05/06/2025

Order of the National Green Tribunal in the matter of In Re: News Item titled "Nayar river is vanishing - a yatra reveals conservation goes beyond science and policy" appearing in ‘The Down To Earth’ dated 03.06.2025. The original application was registered suo-motu based on the news item titled "Nayar …

Algal bloom threatens coral reef

Tamil Nadu forest department plans to weed out algae manually A RED alga grown commercially for its starch extract in the Gulf of Mannar, off Tamil Nadu, is said to be choking the coral reef in the protected area. There is no conclusive finding whether the corals are threatened, but …

Science and Technology - Briefs

food The secret of cheese For the past 800 years, farmers in Gouda, Netherlands, were making a yellow creamy cheese, from cow

Biofuels and invasives: managing the invasive risk of biofuel production

This paper summarises the proceedings of the first IUCN Workshop on Biofuels and Invasive Species, held in Nairobi on the 20th-22nd April 2009. The workshop was a first step to including invasive species issues into the wider Managing Biodiversity Risks of Biofuels project and focused on avoiding, mitigating and managing …

Assessing biofuel crop invasiveness: A case study

There is widespread interest in biofuel crops as a solution to the world's energy needs, particularly in light of concerns over greenhouse-gas emissions. Despite reservations about their adverse environmental impacts, no attempt has been made to quantify actual, relative or potential invasiveness of terrestrial biofuel crops at an appropriate regional …

Pacific ocean synthesis: scientific literature review of coastal and ocean threats, impacts, and solutions

The objective of this Pacific Ocean synthesis is to comprehensively and systematically survey the published scientific literature, government publications and other peer-reviewed reports to identify Pacific Ocean and regional threats as well as the environmental and socioeconomic impacts of those threats. In addition, the report highlights select regional and Pacific …

Wildlife habitat enrichment for mitigating human-elephant conflict by biological displacement of lantana

The paper presents the findings of 7year long field trial of a fodder plantation technique specially designed for enrichment of wildlife habitats by biological displacement of Lantana cover by bamboo in a Lantana-infested area. The field trial was carried out between 1995-96 and 2002-03 in Rajaji National Park.

Cyanide kills elephants

It could have come from plants, thinks Karnataka Four wild elephants, found dead in Nanjangud, 25 km from Mysore, in November 2008, died of cyanide poisoning. Chemical analysis ordered by the Karnataka forest department has confirmed this. The deaths made the high court take notice for the first time of …

Putting China's wetlands on the map

In his attempt to track avian flu in China, Peng Gong ended up creating the only comprehensive wetlands map the country has. When Gong compared that map, described in an article published in Chinese last month, to another as-yet unpublished one, he found that nearly 30% of China

Can "assisted migration" save species from global warming?

As the world warms up, some species cannot move to cooler climes in time to survive. Camille Parmesan thinks humans should help even if it means creating invasive species.

Soil-less agriculture gains ground

A few years ago, we published an article written by Rezaul Haq, Tapan Kumar and Pritam Ghosh, called

Invasive earthworms denude forests in U.S. Great Lakes region

Cindy Hale, an ecologist at the University of Minnesota, answers e-mails from a lot of distraught citizens of the Great Lakes region. The residents, it seems, have introduced certain earthworms into their gardens, she says,

Marine menace: alien invasive species in the marine environment

This publication is targeted at the general public to highlight an important but often overlooked issue, and to serve as a source of information and inspiration. The material presented in this publication is based on a large volume of work by many institutions and scientists around the world researching marine …

A survey of freshwater fishes of Andaman Islands

A survey of the freshwater fish community was conducted in five large islands of the Andaman archipelago. The objective of the study was to make a complete inventory of freshwater fishes and ascertain the status of fish species reported by Herre (1939).

Transboundary water resources management: the role of international watercourse agreements in implementation of the CBD

The equitable and sustainable allocation and management of water are crucial for maintaining the ecological function of freshwater water ecosystems. These functions sustain the significant services that these ecosystems provide to support human well-being; biodiversity underpins the functioning of these ecosystems and therefore the services provided. Loss of biodiversity, therefore, …

Marine biofouling and invasive species: guidelines for prevention and management

An invasive alien species is one which has been introduced by human activity to a new geographic area or ecosystem outside of its natural distribution range, and which has then established and spread threatening ecosystems, habitats and/or other species, and potentially causing economic and/or environmental damage, or harm to human …

Managing marine and coastal protected areas: a toolkit for South Asia

Managing Marine and Coastal Protected Areas: A Toolkit for South Asia (South Asia Toolkit) has been prepared to help MCPA managers in their daily tasks. Containing 81 theme sheets arranged in two parts: The Management Process and Conservation and Sustainable Use, the Toolkit provides up-to-date information and practical guidance on …

Implementing sustainable bioenergy production: a compilation of tools and approaches

This paper is a compilation of example principles, frameworks and tools already in use in the conservation community which may be applied to bioenergy production to identify and reduce environmental as well as socio-economic risks and promote opportunties. The aim is to provide the range of stakeholders who are engaged …

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