Results 61 to 70 of about 31,889 (235)

Assessing the evolutionary distinctiveness of a highly threatened plant group: The urgency to preserve a unique lineage of evolution in Brazil

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Brazil's diverse flora is under several threats, with many unique lineages facing extinction, particularly in biodiverse regions like the Cerrado and campo rupestre. This study sheds light on the conservation needs of Cambessedesia (Melastomataceae), an endemic genus with 95% of its species endangered, using an approach to rank and prioritise species ...
Najla Bastos Scheidegger   +4 more
wiley   +1 more source

Agroforestry and enhanced rock weathering: A dual strategy for sustainable cacao

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Cacao production is both economically vital and environmentally intensive, presenting a major sustainability challenge as a crop largely cultivated by smallholder farmers in climate‐vulnerable regions. This review synthesises evidence that integrating agroforestry with enhanced rock weathering (EW) may significantly reduce emissions from cacao ...
Isabella L. Steeley   +4 more
wiley   +1 more source

Fenología reproductiva de la queñua (Polylepis incarum, Rosaceae) durante un ciclo anual en la puna mesofítica de La Paz, Bolivia

open access: yesEcología Austral, 2018
En el presente estudio se evaluó la fenología de la queñua (Polylepis incarum, Rosaceae) durante un ciclo anual en la puna mesofítica de La Paz, Bolivia.
Cecilia L. López Alipaz   +4 more
doaj   +1 more source

Thirty years of glyphosate‐resistant crops and weeds: Current situation and future prospects

open access: yesPest Management Science, EarlyView.
Since 1996, when the first glyphosate‐resistant crop was commercialized and the first resistant weed was reported, resistance has expanded globally. This review analyzes emergence patterns across weed species, crops, regions, resistance mechanisms, and herbicides.
Ricardo Alcántara‐de la Cruz   +7 more
wiley   +1 more source

Wall‐to‐wall Amazon forest height mapping with Planet NICFI, Aerial LiDAR, and a U‐Net regression model

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Tree canopy height is a key indicator of forest biomass and structure, yet accurate mapping across the Amazon remains challenging. Here, we generated a canopy height map of the Amazon forest at ~4.8 m resolution using Planet NICFI imagery and a deep learning U‐Net model trained with airborne LiDAR data.
Fabien H. Wagner   +21 more
wiley   +1 more source

Advances in research on impulse hydro‐turbine technology

open access: yesRiver, EarlyView.
Abstract To accelerate the development of impulse hydro‐turbines and support the efficient utilization of hydropower resources in Southwest China, this paper examines the background, historical development, and research progress of impulse hydro‐turbines.
Xiaochao Li   +7 more
wiley   +1 more source

La influencia de los arbustos sobre la diversidad y abundancia de plantas herbáceas de la Prepuna a diferentes escalas espaciales

open access: yesEcología Austral, 2008
Los arbustos tienen frecuentemente un efecto nodriza importante que favorece el establecimiento de especies herbáceas y, en consecuencia, aumenta la riqueza florística. En este estudio se evaluó la importancia de los arbustos sobre la riqueza específica
Ramiro P. López, Teresa Ortuño
doaj  

The potential contribution of Film Tourism to Zimbabwe’s destination image. [PDF]

open access: yesAfrican Journal of Hospitality, Tourism and Leisure, 2018
The basis of this paper is a study on image and performance of a tourist destination. This study sought to explore the potential contribution of on - location film - induced tourism to Zimbabwe’s tourist destination image. The problem which motivated the
Kanokanga Phillip Farayi, Mabwe Bolivia
doaj  

On an Aggregation Theory for Indicators Expressing Behaviors of Complex Systems With an Application to Sustainability

open access: yesSustainable Development, EarlyView.
ABSTRACT Certain attributes of large‐scale complex systems are often expressed through sets of indicators. For example, the sustainability of an entity, be it a nation, a city, an energy system, a corporation etc., can be effectively represented by indicators and corresponding data series.
Vassilis S. Kouikoglou   +1 more
wiley   +1 more source

Tropical Forests and Sustainability: The Role of Multilateral Financing in Latin America

open access: yesSustainable Development, EarlyView.
ABSTRACT The challenge of slowing deforestation and degradation in the tropical regions of Latin America requires financing mechanisms (public and private) that can enable actions to preserve and sustainably manage forest integrity. This paper begins by examining the strategy implemented by the World Bank to protect forest cover in tropical countries ...
Ángela Andrea Caviedes Conde   +2 more
wiley   +1 more source

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