Results 111 to 120 of about 893,048 (300)

UAV‐Based Precision Seed Dropping for Automated Reforestation

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT Wildfires and deforestation pose significant threats to forest ecosystems, motivating scalable methods for reforestation beyond labor‐intensive cultivation of native forest seedlings in nurseries. To enable large‐scale direct seeding of native species, this paper presents the design, analysis, and field evaluation of a UAV‐based seed‐dropping ...
Qi Rui Lee   +5 more
wiley   +1 more source

Effect of sward height on the fermentability coefficient and chemical composition of Guinea grass silage

open access: yes, 2018
There is a high correlation between sward height and pasture sward structure. Therefore, in tropical grasslands, taking sward height into account has been a much better strategy in rotational stocking management than considering pre-defined days of ...
Lino, A. de A. [UNESP]   +19 more
core   +1 more source

Improved Cerrado Wetland Mapping Through Seasonal Moisture Metrics, Terrain Information and Semantic Segmentation

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Brazil's Cerrado valley wetlands—swamp savanna and gallery forest—are highly important for the biome's water cycle and carbon storage and are susceptible to degradation from the impacts of land use expansion and the climate crisis. In support of their detailed monitoring and assessment, we developed and tested a transferable mapping approach that ...
Felix Beer   +6 more
wiley   +1 more source

Variations of rumen metagenome and metabolome in dairy cows with different feed intake levels during the postpartum period

open access: yesAnimal Nutriomics
Feed intake, a critical factor for dairy cows during the postpartum period, is intricately linked to the rumen microbiome. However, the specific roles of rumen metagenome and metabolome in modulating feed intake in postpartum dairy cows remain unclear ...
Shuai Huang   +7 more
doaj   +1 more source

Oral History Interview with Philip Grass, February 27, 2004

open access: yes, 2004
The National Museum of the Pacific War presents an oral interview with Philip M. Grass. Grass was born in Mark, Louisiana 5 April 1924. He dropped out of high school and enlisted in the Army in 1942.
Grass, Philip M.
core  

Right to Food in Sub‐Saharan Africa: Challenges, Policies, and Sustainable Strategies

open access: yesSustainable Development, EarlyView.
ABSTRACT This article examines the multifaceted issue of food security in Sub‐Saharan Africa and the critical importance of upholding rights to food in the region. It explores the challenges posed by food insecurity, analyzes existing policies and interventions, and proposes sustainable strategies to enhance food security.
Helen Onyeaka   +6 more
wiley   +1 more source

The Socio‐Economic Benefits of Communal Trophy Hunting in Africa: A Value Chain Perspective From Namibia

open access: yesSustainable Development, EarlyView.
ABSTRACT International concerns around the equitable distribution of income generated by communal trophy hunting tourism have raised questions about the industry's effectiveness in promoting rural livelihoods and nature conservation. We examine how communities in Namibia derive benefits from wildlife and explore local perspectives on fostering active ...
Luke Symonds‐Mayes   +2 more
wiley   +1 more source

Effects of Harvesting Method on Seed Yield and Seed Quality in Urochloa ruziziensis (cv. ‘OKI-1’ and cv. ‘Br-203’)

open access: yesAgronomy
Two field trials were conducted in Northern Thailand from 2018 to 2020 to determine the best manual harvesting method for maximizing seed yield and seed quality of two Urochloa ruziziensis cultivars, cv. OKI-1 and cv. Br-203.
Yoshimi Imura   +6 more
doaj   +1 more source

Avoidance or coexistence? Exploring spatio‐temporal niche overlap between two sympatric ungulates barking deer and Himalayan goral in a multi‐use landscape of Uttarkashi district, Western Himalaya

open access: yesWildlife Biology, EarlyView.
Ungulates play a vital role in maintaining the integrity of the high mountain ecosystem by sustaining plant community structure and regulating predator populations. Therefore, it is necessary to understand the interaction of sympatric species in the mountainous landscape.
Hemant Singh   +5 more
wiley   +1 more source

Effects of Lactic Acid Bacteria on Fermentation and Nutritional Value of BRS Capiaçu Elephant Grass Silage at Two Regrowth Ages

open access: yesAnimals
The objective of this study was to evaluate the effects of lactic acid bacteria inoculation on the fermentation profile and nutritional value of BRS Capiaçu elephant grass silages harvested at two regrowth ages.
Daiana Lopes Lelis   +10 more
doaj   +1 more source

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