Results 21 to 30 of about 531,027 (318)
Atmosphere, 2023 Ambient atmospheric concentrations of isoprene and monoterpenes were measured at two forest sites, one deciduous and one coniferous, over the year 2022. Both sites in a regional area were sampled monthly between April and September.
Helko Borsdorf +4 more
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TEMPORAL VARIATION IN SELECTION ON A FLORAL CHARACTER [PDF]
Evolution, 1989 Variation temporelle de la direction et de l'importance de la selection phenotypique sur des caracteres de la corolle etudie sur 3 annees chez Calathea ovandensis en relation avec la presence d'insectes ...
Douglas W, Schemske, Carol C, Horvitz
openaire +2 more sources
Temporal variation of PCB concentrations in mussel tissue in two areas of Santander Bay (Spain)
Ciencias Marinas, 2006 An analysis was made of the temporal variation of polychlorinated biphenyls (PCBs) in wild mussel, Mytilus galloprovincialis, from two areas of Santander Bay (northern Spain) during 1991–2003, as well as of the posible influence of different external ...
A González-Quijano +3 more
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Journal of Marine Science and Engineering, 2022 In-depth studies on the effect of size and period in the diet of the hollow-snout grenadier Coelorinchus caelorhincus in the Mediterranean Sea are scant and incomplete.
Umberto Scacco +2 more
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Validation of Sea Surface Temperature Derived From Himawari-8 by JAXA
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020 Hourly sea surface temperature (SST) retrieved from Himawari-8 by the Japan Aerospace Exploration Agency (H8-SST/JAXA, latest version 1.2) is becoming an important data source for data merging as well as for resolving diurnal variation (DV). However, the
Qianguang Tu, Zengzhou Hao
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Temporal patterns in the size of conservation land transactions [PDF]
, 2010 The full or partial acquisition of land remains a predominant focus of terrestrial conservation strategies. Non-governmental organizations play an important role in habitat protection, yet few studies investigate their contribution to conservation ...
Armsworth, Paul R. +2 more
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Temporal Variation of Aristolochia chilensis Aristolochic Acids during Spring
Molecules, 2015 In this communication, we report the springtime variation of the composition of aristolochic acids (AAs) in Aristolochia chilensis leaves and stems. The dominant AA in the leaves of all samples, which were collected between October and December, was AA-I
Rocío Santander +3 more
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Factors controlling spatio-temporal variation in carbon dioxide efflux from surface litter, roots, and soil organic matter at four rain forest sites in the eastern Amazon [PDF]
, 2007 This study explored biotic and abiotic causes for spatio-temporal variation in soil respiration from surface litter, roots, and soil organic matter over one year at four rain forest sites with different vegetation structures and soil types in the eastern
da Costa, A. C. L. +9 more
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Environmental Research Letters, 2021 In recent years, the emissions control in nitrogen oxides (NO _x ) was conducted across China, but how the concentrations of NO _x and its product ozone (O _3 ) in the atmosphere varied in space and time remains uncertain.
Yanfen Li, Guitao Shi, Zhenlou Chen
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Frontiers in Marine Science, 2022 IntroductionAntibiotics are widely used in medical and health services, as well as livestock farming. High concentrations of antibiotics are eventually discarded into rivers due to incomplete metabolism and removal.
Haochang Su +18 more
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