Ecosystems

State of the world’s migratory species

More than a fifth of the world's migrating species are at risk of going extinct as a result of climate change and human encroachment, according to this report by the United Nations. Migratory species globally are facing critical challenges, with nearly half in decline and over 20 per cent threatened …

Vembanad lake may vanish in 50 years: study

Climate change could aggravate threats posed by land use changes Vembanad Lake, the hub of backwater tourism in Kerala and the largest wetland system in the country, may cease to exist in another 50 years as climate change aggravates the complex threats posed by land use changes, according to a …

US drives rainforest destruction by importing Amazon oil, study finds

US imports of crude oil from the Amazon are driving the destruction of some of the rainforest ecosystem’s most pristine areas and releasing copious amounts of greenhouse gases, according to a new report. The study, conducted by environmental group Amazon Watch, found that American refineries processed 230,293 barrels of Amazon …

A conservationist working patiently to save vultures in State

For several years now, the vulture in the State has had a human shadowing it, watching over the bird of prey in the Mudumalai—Sathyamangalam area. Along with the Forest Department, he has been counting its numbers, trying to stop use of diclofenac in animals so that vultures will not eat …

Suzlon to work on hybrid wind-solar model soon

PUNE: Wind energy firm Suzlon will start working on its plans for a hybrid wind-solar model next year, a senior company executive said. This is the company's first step in working towards an integrated model where wind, solar and storage batteries will be a part of the same renewable energy …

NGT ban on non-forest activities at Mangalavanam

Tribunal asks govt. to explain steps taken to declare bird sanctuary as ESA The National Green Tribunal (NGT) has restrained the Southern Railway from carrying out any non-forest activities on its land adjoining the Mangalavanam bird sanctuary in the city, until further orders. The NGT directed the State government to …

WWF, Intel start wetland reforestation project

LONG AN – The World Wide Fund for Nature (WWF) and Intel Products launched a joint effort to restore habitats in the Láng Sen Wetland Reserve last week, with the goal of planting more than 12,000 native trees this year. The project aims to restore the degraded forests, providing habitats …

Estimating summertime epilimnetic primary production via in situ monitoring in an eutrophic freshwater embayment, Green Bay, Lake Michigan

Quantifying rates of primary production and respiration is fundamental to understanding ecosystem function. This study utilized high-frequency time series, buoy-based sensor data to estimate daily primary production and respiration rates during the summers of 2012–2015 in southern Green Bay, Lake Michigan. Highly coherent diel oscillations of dissolved oxygen concentrations in …

New comprehensive approach in inland fisheries management

Inland fisheries managers are increasingly using Transboundary Fisheries Science as an interdisciplinary and holistic approach for understanding and managing ecosystems across larger scales according to a new article in this month's issue of Fisheries magazine. The article notes that while inland fisheries managers traditionally work at small spatial scales with …

Pathway being made illegally in mangroves hits civic roadblock

NAVI MUMBAI: The civic body has cancelled its earlier order, which was about transportation of debris, since it was being misused to make an illegal road in mangrove areas. Environmentalists have welcomed the latest NMMC action, as they said it would help curb illegal debris dumping on the wetlands. Deputy …

Loss of elephants, megaherbivores could lead to rapid environmental changes: Study

According to a new research loss of megaherbivores such as elephants and hippos could allow woody plants, non-grassy herbs and flowering plants to encroach the grasslands in African national parks. The study used isotopes in hippopotamus teeth to find a shift in the diet of hippos over the course of …

Government to set up observatories for climate change study

Union environment ministry is all set to launch the Long-Term Ecological Observatories (LTEO) to bridge the gap of insufficient data on impact of climate change on different regions in the country. “The ecosystems in the country is diverse and there is not enough data available on what impact climate change …

Global brands’ beef is putting South America’s tropical forests at risk: report

A scorecard released today by the Union of Concerned Scientists (UCS) graded 13 global fast food, retail, and food manufacturing companies based on a variety of criteria, including whether or not they have adopted deforestation-free purchasing commitments and and have established sufficient systems to monitor their supply chains for beef …

Indonesia Rejects Plans for Development in Rainforest

According to the environmental conservation group Mongobay, the ministry rejected Aceh Governor Zaini Abdullah's plea that 8,000 hectares of the park's "core zone" be changed to a "utilization zone" so that a Turkish company, Hitay Holdings, could pursue geothermal energy development there. In an August letter, Abdullah noted that the …

Going green with art and architecture

When award-winning architect Vidur Bharadwaj took to art, it was natural for him to infuse the canvas with expressions of nature and imageries of historic monuments. The brain behind 'green buildings' like -- Wipro Technologies, Gurgaon, Patni Campus and The Four Seasons Hotel, Noida -- believes that it's his responsibility …

Criteria and indicators for the sustainable management of tropical forests

ITTO released a revised edition of its pioneering criteria and indicators (C&I;) for sustainable tropical forest management. The aim of this revised edition of the ITTO C&I; is to ensure that this instrument continues to meet the evolving needs of tropical forest stakeholders and to comprehensively inform the development of …

Your perfumes may pollute environment

Investigating the canals of Venice, the researchers looked for traces of harmful molecules in the ingredients of products such as soaps, detergent and shampoos. Love to wear designer perfumes? Be careful, as certain molecules produced in these man-made fragrances act as potential contaminants of the environment and may also impact …

Detecting forest fragility with satellites

Over the past decades’ forests in different parts of the world have suffered sudden massive tree mortality. Now an international team of scientists led by researchers from Wageningen University in the Netherlands has found a way to spot from satellite images which forests may be most likely to fall prey …

Warmer oceans have caused changes in Earth: Report

The upper depths of the oceans of the Earth have warmed significantly over the last 20 years causing an increase in the number of severe hurricanes, storm surges, loss of ice and change in global weather patterns, according to a new report. The report which was presented at the IUCN …

The increasing importance of atmospheric demand for ecosystem water and carbon fluxes

Soil moisture supply and atmospheric demand for water independently limit—and profoundly affect—vegetation productivity and water use during periods of hydrologic stress. Disentangling the impact of these two drivers on ecosystem carbon and water cycling is difficult because they are often correlated, and experimental tools for manipulating atmospheric demand in the …

Boost photosynthesis to mitigate climate change woes: Expert

Dr Vir Singh, Director of the Department of Environmental Science in the prestigious GB Pant University of Agriculture and Technology, says fortification of photosynthesis is the key to mitigate the climate change challenge. Dr Vir Singh, while talking to The Tribune, said increasing concentration of the carbon dioxide in the …

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