Results 161 to 170 of about 13,891 (287)
Black Hills spruce 12 years after planting.
, 2008 Black Hills spruce 12 years after planting.
Ohio Agricultural Experiment Station. Dept. of Forestry.
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New Phytologist, Volume 251, Issue 1, Page 179-190, July 2026.Summary Tree stems in Amazonian floodplains emit substantial methane (CH4), yet controls on emission variability remain unclear. Emissions span orders of magnitude between várzea (nutrient‐rich) and igapó (nutrient‐poor) forests and among trees, suggesting controls beyond flooding.
Holly R. Blincow +9 more
wiley +1 more source
Soil data for mapping paludification in black spruce forests of eastern Canada. [PDF]
Data Brief, 2018 Mansuy N +8 more
europepmc +1 more source
Eisenhower's National Christmas Tree
, 1955 Girl Scout and Boy Scout troop members plant a new tree at the site of President Eisenhower's Christmas Tree cutting. A new spruce is transplanted near the Black Hills spruce stump.
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Zoologica Scripta, Volume 55, Issue 4, Page 615-638, July 2026.ABSTRACT Understanding insect responses to global climate change involves identifying strategies used during past climate oscillations. Phylogeography offers a powerful framework to unravel how historical climatic and geological events have shaped the spatial genetic patterns of species, providing critical insights into evolutionary processes, whereas ...
Jody H. Voges +12 more
wiley +1 more source
Does a Spruce Budworm Outbreak Affect the Growth Response of Black Spruce to a Subsequent Thinning? [PDF]
Front Plant Sci, 2018 Rossi S, Plourde PY, Krause C.
europepmc +1 more source
, 1979 spruce nWhite Spruce [_Picea glauca_] ... is found in only scattered amounts throughout Newfoundland and Labrador... Black Spruce [_Picea mariana_] because of its high wood density ...
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The Wonders of Vanilla: Celebrating the 150th Anniversary of Synthetic Vanillin
ChemFoodChem, Volume 2, Issue 2, June 2026.The year 2024 marked the 150th anniversary of the first commercial production of vanillin, one of the world's most cherished flavor ingredients. This review traces vanilla's history from Mesoamerica to modern production methods, examines its composition, the discovery of vanillin and Haarmann's early synthesis compared to modern methods, and highlights
Elisabetta Brenna +2 more
wiley +1 more source
Ecology and Evolution, Volume 16, Issue 6, June 2026.ABSTRACT The population distribution and habitat selection of top predators are critically important for species conservation and habitat management. While previous studies have identified environmental characteristics and food resources as factors influencing animal habitat selection, the roles of potential intra‐ and interspecific competition have ...
Chenbing Chu +9 more
wiley +1 more source
Spatial Variations in Seed Germination Traits of White Spruce (<i>Picea glauca</i>) and Black Spruce (<i>P. mariana</i>) Across the Canadian Boreal Forest. [PDF]
Plants (Basel)Qualtiere E +7 more
europepmc +1 more source