Zobrazeno 1 - 10
of 5 878
pro vyhledávání: '"Vegetation-Indices"'
Publikováno v:
Discover Sustainability, Vol 5, Iss 1, Pp 1-15 (2024)
Abstract The grassland biome, which is classified as a terrestrial ecosystem, contributes significantly to carbon sequestration. About one third of this ecosystem covers the land surface in south Africa and faces the danger of being eradicated. Much
Externí odkaz:
https://doaj.org/article/3959eff58c234cbc97cc41ec9da14684
Publikováno v:
Environmental Systems Research, Vol 13, Iss 1, Pp 1-16 (2024)
Abstract Forest ecosystems play a decisive role in the global climatic condition, as well as, provides a wide range of societal benefits, including fuel-wood, tourism, and ecosystem services are considered as one of the major sources of livelihood fo
Externí odkaz:
https://doaj.org/article/89aa4fbff078428ab6e49f64e6c4cedb
Autor:
Lívia Lanzi Aló, Guerric le Maire, Cláudio Roberto Thiersch, Thiago Santos Mota, Rafael Costa Pinheiro, José Raimundo de Souza Passos
Publikováno v:
Annals of Forest Science, Vol 81, Iss 1, Pp 1-16 (2024)
Abstract Key message Accurate volume estimation in Eucalyptus plantation stands was achieved by a linear model using SPOT and Landsat multispectral imagery, specifically texture indices and pixel-scale NDVI time integrals, which reflect the local pla
Externí odkaz:
https://doaj.org/article/5d1822b3e0964dcd941e74287bba7889
Autor:
Chávez-Martínez Osiris, Monjardin-Armenta Sergio Alberto, Rangel-Peraza Jesús Gabriel, Sanhouse-García Antonio Jesus, Mora-Felix Zuriel Dathan, Plata-Rocha Wenseslao
Publikováno v:
Open Agriculture, Vol 9, Iss 1, Pp 1-31 (2024)
This study evaluated seven vegetation indices for the monitoring of a cherry tomato crop using an unmanned aerial vehicle with a multispectral camera that measures in the green, red, and near-infrared spectral bands. A photogrammetric flight plan was
Externí odkaz:
https://doaj.org/article/74f772ba6eed46eaaa7c58f6b68e4553
Autor:
AFM Tariqul Islam, A. K. M. Saiful Islam, G. M. Tarekul Islam, Sujit Kumar Bala, Mashfiqus Salehin, Apurba Kanti Choudhury, M. Golam Mahboob, Nepal C. Dey, Akbar Hossain
Publikováno v:
Discover Agriculture, Vol 2, Iss 1, Pp 1-17 (2024)
Abstract Crop statistics are crucial for developing a demand-based export and import strategy to ensure a country’s sustainable food security. Remote sensing efficiently generates essential crop statistics, while ground-based supplementary sensor d
Externí odkaz:
https://doaj.org/article/ac3b29950c5c41e8a7f7a024037a68a2
Autor:
Basani Lammy Nkuna, Johannes George Chirima, Solomon W. Newete, Adolph Nyamugama, Adriaan Johannes van der Walt
Publikováno v:
Egyptian Journal of Remote Sensing and Space Sciences, Vol 27, Iss 3, Pp 597-603 (2024)
Maize, a vital global crop, faces numerous challenges, including outbreaks. This study explores the use of spectral vegetation indices for the early detection of maize diseases in individual leaves based on crop phenology at the vegetative, tassellin
Externí odkaz:
https://doaj.org/article/96b99be3119a4c669cc8cb61dbf12d12
Autor:
Solomon Hishe, Eskinder Gidey, Amanuel Zenebe, Woldeamlak Bewket, James Lyimo, Jasper Knight, Tsegay Gebretekle
Publikováno v:
International Soil and Water Conservation Research, Vol 12, Iss 3, Pp 635-649 (2024)
Efforts made to restore the degraded landscape of the Tigray region, Northern Ethiopia, over the last three decades have been relatively successful. However, an armed conflict that broke out in the region in November 2020 has significantly destroyed
Externí odkaz:
https://doaj.org/article/762a19849c9846fc90c4b12f901bf289
Autor:
Angel Chen, Trevor C. Lantz
Publikováno v:
Arctic Science, Vol 10, Iss 3, Pp 569-582 (2024)
Anthropogenic climate change has driven an increase in the frequency, size, and severity of fires at high latitudes. Recent research shows that increasing fire severity in the subarctic is altering the trajectories of forest succession, but to date,
Externí odkaz:
https://doaj.org/article/fd3356c3bbcc4e76b8abc65a0b1251bb
Publikováno v:
Geology, Ecology, and Landscapes, Pp 1-17 (2024)
Land surface temperature (LST) is largely influenced by various biophysical properties of land surface materials, especially in urban areas where multiple spectral bands directly impact LST. The present study compares the seasonal relationship of LST
Externí odkaz:
https://doaj.org/article/1ac2ec7d7c1f462abf86a00a42270783
Autor:
Mauricio Lourenzoni Augusti, Valdinar Ferreira Melo, Sandra Cátia Pereira Uchoa, Marcio Rocha Francelino, Aston Vestris Adandonon, Aurele Hosanna Gbenagnon Sounou
Publikováno v:
Revista Ciência Agronômica, Vol 56 (2024)
ABSTRACT Maize is a demanding crop that is responsive to nitrogen fertilisation, and meeting its needs is essential to avoid a loss of productivity or environmental contamination. Monitoring nutrient status during crop development is fundamental for
Externí odkaz:
https://doaj.org/article/06489876ebf845028c5a57cc2f50aa65