Results 31 to 40 of about 181,229 (307)
Ecology of the Cerambycidae (Coleoptera) of the Huron Mountains in Northern Michigan [PDF]
, 2017 Eighty-nine species of Cerambycidae were collected during a five-year survey of the woodboring beetle fauna of the Huron Mountains in Marquette County, Michigan. Host plants were determined for 51 species.
Gosling, D. C. L
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Antioxidant Properties of Polyphenolic Extracts from Quercus Laurina, Quercus Crassifolia, and Quercus Scytophylla Bark [PDF]
Antioxidants, 2018 The objective of this work was to determine the concentration of total phenols, total flavonoids, hydroxycinnamic acids, and proanthocyanidins present in crude extracts of Quercus laurina, Q. crassifolia, and Q. scytophylla bark. They were extracted by ethanol (90%) maceration and hot water.
Eréndira Valencia-Avilés +6 more
openaire +3 more sources
Annotated List of Indiana Scolytidae (Coleoptera) [PDF]
, 2017 A list of 80 species of Indiana Scolytidae (bark and ambrosia beetles) is presented.
Deyrup, Mark
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Estimating Olive Tree Density in Delimited Areas Using Sentinel-2 Images
Remote SensingThe objective of this study is to develop a method for estimating the density of olive trees in delimited plots using low-resolution images from the Sentinel-2 satellite.
Adolfo Lozano-Tello +3 more
doaj +1 more source
Turkish Journal of Forestry, 2018 Natural and semi-natural oak (Quercus spp.) forests in Turkey are rich ecosystems of high conservation value that are increasingly threatened by logging and transformation into coniferous plantations.
Adam BERGNER +3 more
doaj +1 more source
The 4.2 ka event in the vegetation record of the central Mediterranean [PDF]
, 2019 In this paper, the variation in forest cover in the central Mediterranean region, reflected by percentage changes in the arboreal pollen record, has been examined in relation to the 4.2 ka event.
Di Rita, Federico, Magri, Donatella
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Revista Mexicana de Biodiversidad, 2011 Quercus undata Trel. (Fagaceae, Quercus, Section Quercus) has a complex taxonomic and nomenclatural history. Intensive sampling of oaks at the type locality of Q. undata Trel. in Durango, Mexico and evaluation of herbarium specimens and plants in the field indicate that Q. undata represents variation in Quercus chihuahuensis Trel.
Jeffrey R. Bacon +3 more
openaire +2 more sources
On the taxonomic resolution of pollen and spore records of Earth’s vegetation [PDF]
, 2014 Premise of research. Pollen and spores (sporomorphs) are a valuable record of plant life and have provided information on subjects ranging from the nature and timing of evolutionary events to the relationship between vegetation and climate.
Mander, Luke, Punyasena, Surangi W.
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Who Are the Consumers of European Farmers' Markets? A Cross‐Country Analysis
Agribusiness, EarlyView.ABSTRACT With substantial growth in the number of farmers' markets (FMs) in developed countries, the number of consumers visiting FMs is also increasing. This study comparatively assesses the consumers of FMs in three European countries where FMs traditionally play a distinctive role in food supply chains.
Áron Török +6 more
wiley +1 more source
Graellsia, 2011 Se cita por primera vez para Panamá el género Odontocynips Kieffer, 1910 (Hymenoptera, Cynipidae, Cynipini), incluyendo dos especies: Odontocynips championi (Cameron) y O. hansoni Pujade-Villar, que inducen agallas en Quercus bumelioides Liebm.
E. Medianero +2 more
doaj +1 more source