Results 81 to 90 of about 1,578 (197)
Acta Botanica Mexicana, 2001 Los bosques mesófilos de Eloxochitlán y Tlahuelompa, enclavados en la Sierra Madre Oriental y en la Huasteca Hidalguense, representan dos manchones con diferente composición florística en el estado de Hidalgo.
Oth\u00F3n Alc\u00E1ntara Ayala +1 more
doaj
Tree foliage as a net accumulator of highly toxic methylmercury
Scientific ReportsTree canopies are known to elevate atmospheric inputs of both mercury (Hg) and methylmercury (MeHg). While foliar uptake of gaseous Hg is well documented, little is known regarding the temporal dynamics and origins of MeHg in tree foliage, which ...
Idus Stinson +6 more
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Do drought and understory beech interact to influence the nutrition and growth of sugar maple?
Frontiers in Forests and Global ChangeHardwood forests dominated by sugar maple (Acer saccharum) at its northern limit (Quebec) are threatened by rising regional temperatures and recurrent summer drought.
William F. J. Parsons +4 more
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EcosphereForest ecosystems with altered nutrient limitations are a common legacy of acidic deposition in North America. Continued acidic deposition has lowered soil pH and revealed phosphorus (P) limitations in many temperate forest ecosystems.
Lydia V. Jahn +3 more
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Rest‐site selection by fishers (Martes pennanti) in the eastern deciduous forest
Wildlife Society Bulletin, 2013 Information on fisher (Martes pennanti) resource selection in deciduous forests of eastern North America is limited. We studied resting habitat selection in a fisher population that recolonized predominantly deciduous forest in Pennsylvania, USA, during ...
Sean W. Gess +5 more
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, 2012 A new milkcap species, Lactarius fuscomarginatus, was found in the subtropical region of central Veracruz (eastern Mexico) associated with two relict populations of Fagus grandifolia var. mexicana. The species is characterized macroscopically by its dark
D. Stubbe +3 more
core +1 more source
Contemporary Issues in Québec’s Temperate Forest — Part 2: Biological Invasions
The Forestry ChronicleThis paper is the second in a series on the topic of contemporary issues in Québec’s temperate forest. It considers biological invasions that may either cause new and significant mortality among indigenous trees or substantially alter those species ...
François Guillemette +3 more
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Winter xylem embolism and spring recovery in Betula cordifolia, Fagus grandifolia, Abies balsamea, and Picea rubens [PDF]
, 1993 journal articleXylem embolism was monitored from mid-winter to mid-summer in four co-occurring species: Betula cordifolia (Reg.) Fern., Fagus grandifolia Ehrh., Abies balsamea (L.) Mill., Picea rubens Sarg.
Sperry, John S.
core
Enjeux contemporains en forêt tempérée au Québec — Partie 1 : Portrait du territoire forestier
The Forestry ChronicleNous proposons une série d’articles qui présentent les principaux enjeux pour la forêt tempérée du Québec face aux changements environnementaux et socio-économiques multiples et rapides.
Louis Duchesne +3 more
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PLoS ONE, 2017 There are a number of overarching questions and debate in the scientific community concerning the importance of biotic interactions in species distribution models at large spatial scales.
Mark Baah-Acheamfour +3 more
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