Results 1 to 10 of about 1,283 (115)
Interacciones entre Eriosyce villicumensis (Cactaceae) y arbustos: Un caso de estudio en el desierto hiperárido del Monte de Argentina. Se estudió la distribución espacial intraespecífica e interespecífica de Eriosyce villicumensis (Rausch) Katt. en tres
Martin Guillermo Almirón+1 more
doaj +3 more sources
Dos arbustos notables del estado de Yucatán
Descripción de 2 especies 1 género nuevo para ...
Faustino Miranda
doaj +3 more sources
Wet and dry extremes reduce arthropod biomass independently of leaf phenology in the wet tropics
Although two‐thirds of terrestrial vertebrates consume insects and spiders, how changing rainfall regimes will affect arthropods remains poorly understood. Using spatiotemporal variation in tropical montane climate as a natural experiment, we show arthropod biomass maxima at intermediate rainfall as 3 months of both wet and dry extremes reduced ...
Felicity L. Newell+2 more
wiley +1 more source
Caracterización de ecotonos entre biomas de bosque y biomas abiertos en un área protegida en Uruguay
La teoría de Estados Alternativos de Biomas (EAB) contribuye a explicar la presencia de biomas abiertos (pastizales, arbustales) en ambientes suficientemente cálidos y húmedos para el desarrollo de biomas de bosque.
Verónica Etchebarne-Palla+5 more
doaj +1 more source
We developed a spatialized surface for the primary food of grizzly bears in southeast British Columbia. After using this huckleberry patch layer to model habitat selection, fitness, and density, in a bottom‐up top‐down paradigm, we found that huckleberry patches near forestry roads contribute very little to fitness and density.
Michael F. Proctor+9 more
wiley +1 more source
Assessing the mechanisms and impacts of shrub invasion in forests: A meta‐analysis
Taken together, these results suggest that restoration efforts should focus on (i) increasing the presence of strong native competitors or functionally diverse native communities, (ii) decreasing sources of invasive shrub propagules while keeping the canopies closed when invasion occurs via high propagule pressure, (iii) avoiding management techniques ...
Laís Petri, Inés Ibañez
wiley +1 more source
Presence of hermaphroditic flowers of Quercus rugosa (Fagaceae) in the Mexico state (Mexico)
Hermaphroditic flowers of Quercus rugosa Née are reported for the first time from Xochitla Ecological Reserve (Tepotzotlán municipality, State of Mexico). Their floral structure is described and supporting photographs and illustrations are provided.
Silvia Romero+2 more
doaj +1 more source
Native palms and trees mediate drought impacts on dry neotropical pastures
Abstract Dry forests are the most threatened biome across the global tropics. Despite their massive conversion into agricultural landscapes, local farmers often retain disperse trees and palms within grazing pastures. Understanding how on‐farm tree cover in the dry neotropics impacts the environmental and productive functions of pastures is key for ...
Ivan Raniero Hernández‐Salmerón+4 more
wiley +1 more source
Análisis cariológico de ocho especies de encinos (Quercus, Fagaceae) en México
Karyotype analyses of eight species of the Quercus genus were performed and are reported here. Five species (Q. candicans, Q. crassifolia, Q. elliptica, Q. hintonii and Q. urbanii) belong to the Lobatae section and three (Q. frutex, Q.
Saúl Flores-Maya+4 more
doaj +1 more source
Evaluating the success of functional restoration after reintroduction of a lost avian pollinator
Abstract Conservation translocation is a common method for species recovery, for which one increasingly frequent objective is restoring lost ecological functions to promote ecosystem recovery. However, few conservation translocation programs explicitly state or monitor function as an objective, limiting the ability to test assumptions, learn from past ...
Caitlin E. Andrews+4 more
wiley +1 more source