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 …

Survey of suitable exotic trees for revegetation of mine spoils

Mine spoils are sub-soil material produced as a byproduct of mining activity. Virtually being a sub-soil material, mine spoils are physically, nutritionally and microbiologically impoverished habitats, thwarting the establishment and growth of plants species. Singrauli coalfields extending over 2200 km in the states of Madhya Pradesh and Uttar Pradesh is …

From ornamental to detrimental: plant invasion of Leucanthemum vulgare Lam. (Ox-eye Daisy) in Kashmir valley, India

Kashmir valley, nestled in the north-western extremity of Himalayan bio- diversity hotspot, is bestowed with an incredible plant wealth. However, over the last few decades, flora of the valley faces a multitude of threats. Being historically a global tourist destination, the valley has witnessed intentional introductions of several alien species …

Changes in the occurrance of hard substratum fauna: A case study from Mumbai harbour, India

Intensive sampling was carried out in the marine environment of Mumbai and Jawaharlal Nehru ports to investigate the composition of benthic sessile population on three different occasions during 2001 to 2002. this study recorded 29 species of hard substratum fauna and 14 associated fauna. The acorn barnacle Balanus amphitrite and …

Environment matters 2009: banking on biodiversity

Environment Matters, the annual review on the environment by the World Bank Group, highlights the environmental research, accomplishments, and challenges of the Bank's Regions in the past year. Environment Matters 2009 focuses on the importance of biodiversity conservation in sustaining livelihoods and reducing poverty. Biodiversity underpins every aspect of human …

Fire-induced invasion of an endemic plant species alters forest structure and diversity: a study from north-east India

Invasive alien species are regarded as principal threats to global biodiversity. In this paper, the authors describe a situation where an endemic plant species, the dwarf bamboo

Measured efforts

The greenback cuthroat trout once swam in large numbers through the South Platte and Arkansas Rivers in the US. Diversion of water for irrigation and introduction of non-native trout species such as rainbow and brown trout into the main rivers and brook trout into the small streams led to its …

Convenient solutions to an inconvenient truth: ecosystem-based approaches to climate change

This new book argues for the ecosystem-based approaches to mitigation and adaptation as a third essential pillar in national strategies to address climate change, as such strategies can offer cost-effective, sustainable solutions contributing to and complementing other national & regional adaptation strategies. This book sets out a compelling argument for …

Shelter from the storm? Use and misuse of coastal vegetation bioshields for managing natural disasters

Vegetated coastal ecosystems provide goods and services to billions of people. In the aftermath of a series of recent natural disasters, including the Indian Ocean Tsunami, Hurricane Katrina and Cyclone Nargis, coastal vegetation has been widely promoted for the purpose of reducing the impact of large storm surges and tsunami. …

Climate change and health: A native American perspective

The intricate, intertwined forces driving global climate change are mirrored by similar complexity in the human response to it. That makes it nearly impossible to anticipate the stance of any one group based solely on a label such as nationality, race, or economic class. But there is ample evidence that …

Dynamics of plant bioresources in Western Himalayan region of India watershed based study

The dynamics of plant bioresources including agriculture is different in the hills from those in the plains. The agriculture and forestry are the two major land use types and play an important role in providing food and livelihood security. The structure of vegetation for trees and shrubs layer was moderately …

Achieving 2010 biodiversity target: Indias contributions

The United Nations General Assembly has proclaimed 2010 as the International Year of Biodiversity (IYB) to raise awareness about the underlying threats to and the need for biodiversity conservation. As a mega-diverse country and as a Party to the International Convention on Biological Diversity (CBD), India had committed itself to …

Poverty, socio-political factors and degradation of the environment in Sub-Saharan Africa: The need for a holistic approach

The right to environment is a recognised human right in Africa. However, despite the legal and institutional frameworks designed to respect, promote, protect and fulfil the right, its enjoyment is still a mirage to majority of African citizens as a result of environmental degradation. This article aims to proffer a …

Ecological restoration of Lantana-invaded landscapes in Corbett Tiger Reserve, India

Lantana (Lantana camara), one of the world's most troublesome invasive weeds, has become a menace in most of the protected areas located in tropical and subtropical belt of India. The lantana-infested landscapes not only are impoverished as habitats of wildlife but also contribute to human-wildlife conflicts owing to diminished ecosystem …

Guidelines on biofuels and invasive species

The issues of biofuels and invasive species have rarely been tackled together. These guidelines aim to fill this gap by highlighting the risks of biological invasion by species introduced for biofuels production and to provide constructive recommendations on how to prevent the introduction, establishment and spread of invasive species resulting …

Efforts to sustain biodiversity fall short

With nations admitting that they will fail to achieve their goal of significantly cutting biodiversity loss by 2010, a flurry of work is under way to develop new, more robust targets and ways of monitoring progress. These must be ready by next October, when the 193 parties to the Convention …

Environmental implications of converting natural grassland into eucalyptus plantations in hydro power catchments in Nilgiris

In India plantations of exotic tree species like populous debtoides, Acacia spp., Eucalyptus spp., Laucaena leucocephala and Prosopis juliflora etc were promoted to meet the increasing industrial and fuel demand. The exotic acacia and eucalyptus were introduced in Nilgiris Hills in 1858 where E. globules was planted along with E. …

Twists & turns

Conservation is a tricky thing. It's about finding the balance between the needs of wildlife and mankind. It's about preserving what exists, saving what's diappearing, and encouraging what's naturally developing. WWT's (Wildlife & Wetlands Trust) work in Koshi Tappu, Nepal is a fascinating project that requires careful dedication to all …

Another exotic weed invading Uttarakhand Himalayas

Invasive weeds have become a major environmental concern at local, national, regional and global level. Very recently, the authors have noticed an exotic temperate weed in the Mussoorie hills i.e. Stevia ovata. It is spreading in moist, South-West hill slopes.

When pets become pests exotic aquarium fishes and biological invasions in Kerala, India

One of the major underlying causes for increased biological invasion is the growth and development of world markets facilitated through globalization, and the booming intercontinental trade of live flora and fauna.

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