Results 51 to 60 of about 78,391 (332)
Tree health in South Africa: Retrospect and prospect
South African Journal of Science, 2020 South Africa is a country with very limited natural forest cover. Consequently, the timber and fibre needs of the country cannot be provided for from indigenous forest.
Michael J. Wingfield +3 more
doaj +1 more source
Survival and Phenology of \u3ci\u3eAgrilus Planipennis\u3c/i\u3e (Coleoptera: Buprestidae) Reared on a Newly Developed Artificial Diet Free of Host Material [PDF]
, 2018 The final phase in the development of an artificial diet that contains no ash host material and the phenology of the emerald ash borer, Agrilus planipennis Fairmaire (Coleoptera: Bupresidae) on that diet are documented.
Gould, Juli +2 more
core +2 more sources
Spatial metrics in fire ecology: seeking consistency amidst complexity
Biological Reviews, EarlyView.ABSTRACT Technological advances, including remote sensing, have led to a proliferation of metrics used in ecological studies to examine spatial patterns of fire regimes and their ecological effects. Researchers can use many different metrics to analyse spatial variation in both fire events and resulting fire regimes, including fire size, shape ...
Alexander R. Carey +5 more
wiley +1 more source
Butterflies of eastern Assam, India
Journal of Threatened Taxa, 2017 The paper provides information on butterfies sampled during random surveys from November 2014 to September2016 from eight reserve forest areas and Dehing-Patkai Wildlife Sanctuary, covering three districts (Tinsukhia, Dibrugarh & Sibasagar) in the ...
Arun P. Singh
doaj +1 more source
Local outbreaks of Operophtera brumata and Operophtera fagata cannot be explained by low vulnerability to pupal predation [PDF]
, 2013 One of the unresolved questions in studies on population dynamics of forest Lepidoptera is why some populations at times reach outbreak densities, whereas others never do.
Heisswolf, Annette +3 more
core
Ground Beetle Range Extensions: Six New Ohio Records (Coleoptera: Carabidae) [PDF]
, 2018 We newly report six ground beetles from Ohio, comprising Badister parviceps, Stenolophus dissimilis, Harpalus somnulentus, Pentagonica fiavipes, Agonum albicrus, and Lebia ...
Horn, David J +2 more
core +2 more sources
Ecography, EarlyView.The rapid adoption of environmental DNA (eDNA) methods has drastically changed biodiversity monitoring efforts. It is often claimed that eDNA methods are more sensitive and efficient than conventional biodiversity monitoring methods, but it is often unclear what metrics support this claim.
Nicholas J. Iacaruso +4 more
wiley +1 more source
Expansion of the winter moth outbreak range : no restrictive effects of competition with the resident autumnal moth [PDF]
, 2013 1. Both direct and indirect competition can have profound effects on species abundance and expansion rates, especially for a species trying to strengthen a foothold in new areas, such as the winter moth (Operophtera brumata) currently in northernmost ...
Ammunét, Tea +3 more
core
Does biotic resistance govern forest invasions by bark and ambrosia beetles?
Ecography, EarlyView.The theory of biotic resistance states that community diversity promotes resistance to biological invasions. This theory has been widely explored for its ability to explain variation in habitat invasibility to non‐native plant species and while the theory holds in some systems, it does not in others.
Jiří Trombik +4 more
wiley +1 more source
Frontiers in Forests and Global ChangeEastern larch beetle Dendroctonus simplex LeConte has been outbreaking for the past two decades in the Great Lakes region of North America, impacting approximately 400,000 hectares of eastern larch Larix laricina (tamarack) forest in Minnesota, United ...
Rose M. Picklo +3 more
doaj +1 more source