Results 261 to 270 of about 1,736,079 (311)

Seeding the Forest

Cultural Politics, 2023
AbstractIn 1968 the American military launched Operation Igloo White (OIW), seeding the mountainous forests of the Ho Chi Minh Trail in Laos and Vietnam with a network of seismic, olfactory, and auditory sensors that picked up and relayed signals to data bunkers in Thailand where enemy locations were mapped in real time.
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Forest seed and seedlings production and planted forests

ОДРЖИВИ РАЗВОЈ И УПРАВЉАЊЕ ПРИРОДНИМ РЕСУРСИМА РЕПУБЛИКЕ СРПСКЕ, 2023
In the post-war period, numerous activities were undertaken in the Republic of Srpska with the aim to renew and improve the state of seeds and seedlings production and planted forests. Among the first activities were the publishing of numerous manuals and publications, organizing seminars and conferences and carrying out organizational transformations ...
Branislav Cvjetković, Milan Mataruga
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Seeds of the Forest Floor

Ecology, 1947
It is a common observation that when forests are removed by cutting, the change wrought in environmental influences invariably is accompanied by a striking and substantial difference in the plant population shortly thereafter. In the Northeast and in the Pacific Northwest, and possibly in other regions, Rubus is one of the most common genera to invade ...
Norwood W. Olmsted, James D. Curtis
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Seed Dispersal in Tropical Forests

2018
In this activity, students use data from published studies to understand patterns of seed dispersal and apply these ideas to the design of a conservation area. This was applied through the lens of ecology.
Petrovicheva, Anna   +2 more
  +5 more sources

Forest Seed Control

Journal of Forestry, 1936
Abstract The question of origin of seed, or provenience, has been extensively discussed, but much of what has been written seems far removed from the actuality of our planting operations. The purpose of this paper is to bring out what practical steps have been taken in European countries and what has so far been done in the United ...
Henry I. Baldwin, Hardy L. Shirley
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Seed limitation in an Amazonian floodplain forest

Ecology, 2019
AbstractWe monitored a close‐spaced grid of 289 seed traps in 1.44 ha for 8.4 yr in an Amazonian floodplain forest. In a tree community containing hundreds of species, a median of just three to four species of tree seeds falls annually into each 0.5‐m2 establishment site. The number of seed species reaching a given site increased linearly with time for
John, Terborgh   +3 more
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Technology and overview of forest seed

Asian Journal of Research in Social Sciences and Humanities, 2021
AbstractAdvanced Seed Production Technology Is Essential For Providing Quality Seed Of Better Varieties. The best way to ensure fast-growing and healthy plantations capable of producing high-quality wood is to utilize sound seed from stands of high intrinsic quality. The quantity as well as the quality of seed production are critical.
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Forest seeds

2013
Cet article porte sur les grandes tendances du marché national des graines forestières. Les données concernent les récoltes de graines et leur utilisation en France pour la production de plants. Les caractéristiques de la campagne 2011/2012 sont détaillées pour les espèces les plus importantes.
Brochet, A., Astrié, G.
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