Search results for "BEEC"

showing 3 items of 53 documents

Assessing the quality of dissolved organic matter in forest soils using ultraviolet absorption spectrophotometry

2007

Abbreviations: DOC, dissolved organic carbon; SUVA, specifi c ultraviolet absorbance; UV, ultraviolet. Ultraviolet spectrophotometry was used to investigate the effects, 30 yr after planting, of tree species substitution on the aromatic C content and related properties of dissolved organic carbon (DOC). Precautions were taken to correct measurements for the absorbance of NO 3 and dissolved Fe. In litter leachates, a signifi cant reduction in the aromatic content of DOC was found in the Douglas-fi r [Pseudotsuga menziesii (Mirb.) Franco] plantation but not in the beech (Fagus sylvatica L.) plantation. The disturbance of short-term C dynamics thus revealed agreed well with fi eld observations…

solSoil Science010501 environmental sciencesDOC01 natural sciencesAbsorbanceFagus sylvatica[CHIM.ANAL]Chemical Sciences/Analytical chemistryBotanyDissolved organic carbonBeechComputingMilieux_MISCELLANEOUS0105 earth and related environmental sciencesbiologyChemistrySoil organic matterSowing04 agricultural and veterinary sciences15. Life on landbiology.organism_classificationdissolved organic carbonUVEnvironmental chemistrySoil water040103 agronomy & agricultureLitter0401 agriculture forestry and fisheries[ CHIM.ANAL ] Chemical Sciences/Analytical chemistry
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Cornelis Verbeecq, in G. C. SCIOLLA (a cura di), Cielo terra e acque: il paesaggio nella pittura fiamminga e olandese tra Cinquecento e Seicento, Tor…

2006

Cornelis Verbeecq, in G. C. SCIOLLA (a cura di), Cielo terra e acque: il paesaggio nella pittura fiamminga e olandese tra Cinquecento e Seicento, Torino, Elede, 2006 p. 35-133

verbeecq pittura fiamminga pittura olandese paesaggio cinquecento seicento cielo terra acqueSettore L-ART/02 - Storia Dell'Arte Moderna
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Microgastrinae (Hymenoptera: Braconidae) in the Forest State of Artikutza (Navarra: Spain): Diversity and Community Structure

2013

Microgastrinae is one of the largest subfamilies of the Braconidae with about 2,000 described species worldwide. These wasps are of enormous ecological interest due to their role in controlling the caterpillar populations. This study analyses diversity and community structure within the Microgastrinae in the Artikutza Forest, located in the Peñas de Aia Natural Park, western Pyrenees, Spain. The specimens were collected in two different habitats: mixed forest and beech forest. A total of 524 specimens, belonging to nine separate genera and 27 species were captured. Alpha, beta and gamma diversity were analyzed. Additionally, the relationship between Microgastrinae phenology and climatic con…

western PyreneesbiologyEcologyPhenologyGamma diversityCommunity structureHymenopterabiology.organism_classificationMicrogastrinaeArticlediversityBraconidaeHabitatSpainInsect Sciencecommunitylcsh:QBraconidae; Microgastrinae; diversity; community; western Pyrenees; Spainlcsh:ScienceMicrogastrinaeBraconidaeBeechInsects
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