Results 31 to 40 of about 179,018 (297)
Tree regeneration responds more to shade casting by the overstorey and competition in the understorey than to abundance per se [PDF]
, 2019 Manipulating the overstorey is the key tool for forest managers to steer natural regeneration. Opening up the canopy does not only create favourable light conditions for tree seedling growth, but also for (competitive) understorey species.
Baeten, Lander +3 more
core +1 more source
Eight new state records of aleyrodine whiteflies found in Clark County, Nevada and three newly described taxa (Hemiptera: Aleyrodidae, Aleyrodinae) [PDF]
, 2010 Eight new state records and the three newly described species are the subject of this publication. Whiteflies (Hemiptera: Sternorrhyncha: Aleyrodidae: Aleyrodinae) were collected from 2003 through 2009 within the Las Vegas area of Clark County, Nevada to
Dooley, John W. +2 more
core +1 more source
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
Cerambycid Host Plants in a Southwestern Michigan Woodland (Coleoptera: Cerambycidae) [PDF]
, 2017 Host plant associations are listed for 61 species of Cerambycidae based on a six-year study in an 80-ha woodland in southwestern ...
Gosling, D. C. L
core +2 more sources
Steppes, savannahs, forests and phytodiversity reservoirs during the Pleistocene in the Iberian Peninsula [PDF]
, 2010 A palaeobotanical analysis of the Pleistocene floras and vegetation in the Iberian Peninsula shows the existence of patched landscapes with Pinus woodlands, deciduous and mixed forests, parklands (savannah-like), shrublands, steppes and grasslands ...
Agustí +259 more
core +3 more sources
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
Manejo agroforestal con producción de carbón vegetal en la sierra de Zongolica, Veracruz
AIA Avances en Investigación Agropecuaria, 2021 En la sierra de Zongolica, habitada por pobladores nahuas, el manejo agroforestal es parte de su vida social, cultural y económica (López Binnqüist et al., 2020).
Miguel Ángel Vega-Ortega +2 more
doaj +1 more source
Foliar epidermis morphology in Quercus (subgenus Quercus, section Quercus) in Iran
Acta Botanica Croatica, 2012 Foliar epidermis morphology inQuercus(subgenusQuercus, sectionQuercus) in IranThe foliar morphology of trichomes, epicuticular waxes and stomata inQuercus cedrorum, Q. infectoriasubsp.boissieri, Q. komarovii, Q. longipes, Q. macranthera, Q. petraeasubsp.ibericaandQ. robursubsp.pedunculiflorawere studied by scanning electron microscopy.
Panahi, Parisa +4 more
openaire +2 more sources
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