Forest

A new machine-learning system developed at the University of Alaska Fairbanks can automatically produce detailed maps from satellite data to show locations of likely beetle-killed spruce trees in Alaska, even in forests of low and moderate infestation where identification is otherwise difficult. The automated process can help forestry and wildfire managers in their decisions. That’s ...

In the late 2000s, Scott Saleska observed an unusual phenomenon in the Amazon rainforest. A severe drought in 2005 led to increased green growth in vast areas of the Amazon, contrary to field researchers’ observations of browning plants and some dying due to the drought. Recent research published in Nature by Shuli Chen, a doctoral ...

El Geoportal se destaca por su capacidad para integrar y superponer múltiples capas de información generadas por diferentes organismos nacionales, permitiendo la visualización de datos de alta precisión sobre la cobertura forestal, distribución de especies y otros aspectos centrales del sector foresto industrial argentino. El Gobierno Nacional lanzó la Información Cartográfica Forestal a través de ...

A group of EPFL and ETH Zurich scientists have mapped the biodiversity in forests worldwide. Their data, when combined with climate projections, reveal trends that could support ecosystem conservation and restoration efforts. According to the latest figures from the Food and Agriculture Organization of the United Nations, forests cover just over 4 billion hectares of ...

A team of researchers has unveiled a novel approach to accurately characterizing tree height composition in forests using the Global Ecosystem Dynamics Investigation (GEDI) Light Detection and Ranging (LiDAR) technology. This study marks a significant advancement in our understanding of forest ecosystems, shedding light on the intricacies of tree height variability and its implications for ...

Enquanto o governo federal discute a criação de um polo agrícola na confluência entre Amazonas, Acre e Rondônia – popularmente conhecida pelo acrônimo Amacro –, o desmatamento nos municípios da região avança e já representa 76,5% do total da área devastada nos três Estados entre 2018 e 2022. A conclusão é de um estudo publicado ...

Africa’s forested areas—an estimated 14 % of the global forest area—are continuing to decline at an increasing rate—mostly because of human activities to convert forest land for economic purposes. As natural forests are important CO2 and biodiversity reservoirs, this development has a significant impact on climate change and affects the integrity of nature. To intervene ...

Apartir de la catástrofe sobre los recientes incendios forestales que afectaron a distintos sectores de la Región de Valparaíso, nuevamente se ha puesto la atención sobre la eventual relación que tendrían estos siniestros con el interés inmobiliario por ocupar los espacios que fueron damnificados. En el estudio “Construyendo sobre cenizas. ¿Son utilizados los incendios forestales ...

Monitoring deforestation across millions of hectares of Amazonian jungle has always been an onerous ask. When illegal logging first became an issue, the authorities relied on word-of-mouth and reports from indigenous communities, before buzzing the jungle in small planes to find the deforested areas. In the 1980s the first satellite images became available, with resolution ...

The Delhi government has identified and is in the process of digitally demarcating over 2,000 hectares of land and over 450km of roads and drains as deemed forests, the state forest department has said in an affidavit submitted to the Delhi high court last month. A deemed forest is not a notified or a reserve ...

On a hillside overlooking cabbage fields outside the northern Thai city of Chiang Mai, a drone’s rotors begin to whir, lifting it over a patch of forest. It moves back and forth atop the rich canopy, transmitting photos to be knitted into a 3D model that reveals the woodland’s health and helps estimate how much ...

Publication of a new map showing all the above-ground biomass in the Brazilian Amazon is good news in the context of the severe crisis afflicting the world’s largest contiguous tropical rain forest. Using airborne laser scanning and satellite imagery calibrated by field forest inventories and integrated by heavy-duty computer processing and machine learning, the map ...

Norway’s International Climate and Forest Initiative (NICFI) and the Bezos Earth Fund announce a new partnership to continue providing the world with free access to high-resolution satellite data to support efforts to stop the destruction of the world’s rainforests. The partnership adds to the USD 43 million previously granted by NICFI to establish the NICFI ...

Forests, known as nature’s “green dams,” play a crucial role in replenishing Earth’s groundwater reserves. However, overcrowding in planted forests due to lack of maintenance activities, such as thinning practices, is a pressing concern in Japan. This overcrowding causes substantial water loss from these forests into the atmosphere through a combination of soil evaporation and ...

The University of Córdoba is participating in the creation of the first database that harmonizes the recording of disturbances caused by insects and diseases in forests in 8 European countries by combining remote sensing, satellite images and field data. Forest damage caused by insects and diseases is increasing in many parts of the world due ...

A new study, using a first-of-its-kind approach to analyze satellite imagery from boreal forests over the last three decades, found that fire may be changing the face of the region in a way researchers did not previously anticipate. Historically, fires in North American boreal forests have led to coniferous trees being supplanted by deciduous trees, ...

Karadeniz Teknik Üniversitesi Öğretim Üyesi Doç. Dr. Alperen Coşkuner, orman yangınlarını, LİDAR olarak bilinen lazer tarama teknolojisi ile belirlenebileceğini, bu alanda yaptıkları ilk araştırmaların yüksek doğrulukta sonuçlar verdiğini bildirdi. Orman yangınlarıyla mücadelede başarılı olabilmek, yangın risk ve tehlike potansiyeli ile yangın davranışı hakkında doğru ve hızlı bilgi verebilen kapsamlı sistemlerin varlığıyla mümkün olabilirken bu sistemlerin ...

In 2020, the Pantanal, the largest tropical freshwater wetland in the world and a biodiversity hotspot, was swept by high-intensity fires that destroyed native vegetation in an area totaling 44,998 square kilometers (km²), or about 30% of the Brazilian portion of the biome, which spans some 150,000 km². The estimate is presented in an article ...

En la Expoamazónica 2023, el Instituto Tecnológico de la Producción (ITP), a través del CITEforestal Maynas, presentó el servicio de “teledetección con drones”, el cual beneficiará al sector forestal de la región de Loreto. Durante la exhibición que albergó a un gran número de participantes, los especialistas del CITE mostraron como dicha tecnología de vanguardia, ...

Non-profit organization CTrees launched Land Use Change Alert (LUCA), the world’s first global radar-based forest disturbance alert system. Unique in its ability to cover all forest biomes, LUCA leverages data from the European Space Agency’s Sentinel 1 radar satellite system to fill a critical gap in global forest monitoring. It revolutionizes the understanding of forest ...

According to reports by Space Intelligence, a NatureTech company specialising in Digital MRV (Measurement, Reporting, and Verification) across the tropics to support nature-based solutions to climate change, it has been selected to map Kenya and Tanzania to support integrity and transparency in the carbon markets. The maps, expected to be verified by Verra, will help ...

Technology is furthering innovation in wildland firefighting across the west, including the Tahoe Basin — and not just in the process of extinguishing flames but in prevention of these catastrophic burns. Last fall, researchers at the University of Nevada, Reno, kicked off a series of projects that seek to map out the vegetation in the ...

Northern boreal forest ecosystems are predicted to experience more frequent summer droughts in the future. The majority of Swedish forest are secondary forests that are managed commercial forests with little diversity in species and structure. Only a small part is made up of primary forests that have experienced limited direct human impact. So far, it ...

President Luiz Inácio Lula da Silva on Monday hosted NASA administrator Bill Nelson and U.S. Ambassador Elizabeth Bagley at the presidential palace. According to a statement from the Brazilian government, Mr. Nelson spoke of the possibility of supporting Brazil’s fight against deforestation with the help of new aircraft capable of capturing precise photographs of fires, ...

An online tracking system developed by an international environmental group goes live today. It will enable the public to monitor where old growth is being logged and is designed to hold the province accountable for promises to reform forestry, said project lead Angeline Robertson, a senior investigative researcher with Stand.earth. Forest Eye — an online ...

El pasado mes de mayo se dio el pistoletazo de salida al proyecto ForesteCCo (FORtaleciendo la RESTauración Ecológica y la infraestructura verde para la adaptación de especies forestales al Cambio ClimáticO). Este proyecto de investigación e innovación se desarrolla con el apoyo de La Fundación Biodiversidad del Ministerio para la Transición Ecológica y el Reto ...

Remote sensing methods are transformative tools used to study deforestation, but they are by no means perfect. In the new paper “Remotely Incorrect? Accounting for Nonclassical Measurement Error in Satellite Data on Deforestation,” published in the Journal of the Association of Environmental and Resource Economists, authors Jennifer Alix-Garcia and Daniel L. Millimet discuss how errors ...

Le ministre de l’Agriculture Marc Fesneau et le ministre de la Transition écologique Christophe Béchu lancent l’Observatoire des forêts françaises, afin de rassembler et proposer en un lieu unique les informations indispensables au pilotage des forêts. Cet observatoire a « pour vocation de constituer un centre de partage et de production de données indispensables pour ...

The East and Southern Africa Forest Observatory (OFESA) was launched at the Global Landscapes Forum (GLF)’s Nairobi conference in late 2018, with twin goals of supporting improved forest monitoring and reporting practices, and developing a data governance framework for the countries in the region. The Observatory’s geoportal, hosted by the Kenya-based Regional Centre for Mapping ...

Distinguishing separate plant species from one another is hard even for human eyes; however, a team of UConn researchers was able to use data from a satellite nearly 500 miles (786km) above Earth’s surface to map Connecticut’s forest understory plant communities. The results of this study are published in Remote Sensing of Environment. The understory, ...