Results 61 to 70 of about 148,144 (300)

The Importance of Saperda Inornata and Oberea Schaumii (Coleoptera: Cerambycidae) Galleries as Infection Courts of Hypoxylon Pruinatum in Trembling Aspen, Populus Tremuloides [PDF]

, 2017
(excerpt) Trembling aspen, Populus tremuloides Michaux, and bigtooth aspen, P. grandidentata Michaux, are hosts of numerous species of injurious insects and microorganisms (Harrison 1959).
Knight, Fred B., Nord, John C.
core   +3 more sources

Speciation with gene flow

PLANTS, PEOPLE, PLANET, EarlyView.
Biodiversity is threatened by human activities, with extinction debt accumulating rapidly. Many of these activities change the connectivity of populations, fragmenting existing population systems or bringing previously isolated populations or species into contact.
Zhiqin Long, Xu Zhang, Yue Yu, Gregory L. Owens, Diana J. Rennison, Clarisse Palma‐Silva, Daniel Ortiz‐Barrientos, Loren H. Rieseberg   +7 more
wiley   +1 more source

Jumping plant-lice of the Paurocephalinae (Insecta, Hemiptera, Psylloidea): systematics and phylogeny [PDF]

, 2003
Much confusion exists with respect to the content and definition of the psyUid subfamily Paurocephalinae. Based on a cladistic analysis of 22 morphological characters (16 adult and 6 larval), the subfamily is redefined to comprise the following five ...
Burckhardt, Daniel, Mifsud, David
core  

Tracing change in the public perception of plants: insights from archives and social media in China

PLANTS, PEOPLE, PLANET, EarlyView.
As urbanization accelerates, historic gardens serve as vital cultural treasures that offer spiritual and cultural support to the public. This study proposes an innovative approach that merges historical records from the Qing Dynasty with contemporary social media data to explore changes in public perceptions of these gardens.
Dong Xu, Pei‐yan Wang, Ya‐nan Li, Nan Hu, Yun‐yuan Li   +4 more
wiley   +1 more source

The Transboundary Reach of the Columbia River: Cottonwood Colonization Followed Flow Moderation From the Columbia River Treaty Dams

River Research and Applications, EarlyView.
ABSTRACT The Columbia river provides the largest Pacific outflow in the Western Hemisphere and the greatest hydropower production of any North American river system. For hydropower generation and flood risk management, four massive water storage reservoirs followed the Columbia River Treaty between Canada and the United States, with three Canadian dams,
Colleen A. Phelan, Greg Utzig, Stewart B. Rood   +2 more
wiley   +1 more source

Investigation on the utilization of papolar clones grown on Short - rotation age (three years) for particleboard production [PDF]

تحقیقات علوم چوب و کاغذ ایران, 1998
ه منظور ساخت تخته خرده چوب از گونه های مختلف صنوبر تولید شده در دوره سه ساله 17 کلن از گونه های مختلف در ایستگاه البرز کرج انتخاب شده و یک نمونه شاهد از گونه راش (جمعا 18 ترکیب) و از هر تیمار 4 تخته و در کل 72 نمونه آزمونی ساخته شده است.
Abdolrahman Hosseinzadeh, Amir Nourbakhsh, Fardad Golbabaei   +2 more
doaj   +1 more source

Generation and analysis of an Eucalyptus globulus cDNA library constructed from seedlings subjected to low temperature conditions [PDF]

, 2008
Indexación: ScieloEucalyptus globulus is the most important commercial temperate hardwood in the world because of its wood properties and due to its characteristics for biofuel production. However, only a very low number of expressed sequence tags (ESTs)
Gamboa, Maria Cecilia, Krauskopf, Erwin, Rasmussen-Poblete, Susana, Valdes, Jorge, Valenzuela, Pablo D.T.   +4 more
core   +2 more sources

Strategies for Assessing Post‐Wildfire Geomorphic Resilience in Semiarid Rivers

River Research and Applications, EarlyView.
ABSTRACT We review and summarize diverse components of a catchment that can be monitored after wildfire to assess the geomorphic resilience of the river corridor in semiarid regions. We distinguish upland portions of river catchments from river corridors.
Ellen Wohl, Shayla Triantafillou, Alex Thornton‐Dunwoody, Connor Mertz, Katie Larkin, William Keenan, Steven Griffin, Dylan Davis, Lindsey Blehm   +8 more
wiley   +1 more source

Evaluation of susceptibility poplar species and clones (Populus spp.) against two poplar key pests; Monsteira unicostata and Melanophila picta in Hamadan province [PDF]

نامه انجمن حشره‌شناسی ایران
Monosteira unicostata (Mulsant & Rey.) (Poplar lace bug) and Melanophila picta Pall. (Poplar wood borer) are significant pests of poplar and willow trees in Hamadan province.
Alireza Rajabi Mazhar, S. Ebrahim Sadeghi   +1 more
doaj   +1 more source

Hyperspectral species maps and LiDAR‐based structured population models show future forest fire frequency may compromise forest resilience

Remote Sensing in Ecology and Conservation, EarlyView.
Monitoring forest recovery from disturbances at scale requires tracking tree dynamics, yet traditional ground‐based approaches are resource‐intensive. We present a pipeline to parameterize integral projection models (IPMs) using LiDAR data and hyperspectral‐based species maps to assess post‐fire recovery across large, forested areas at the Caribou ...
Jessica McLean, Tommaso Jucker, Alice Rosen, Sean M. McMahon, Roberto Salguero‐Gómez   +4 more
wiley   +1 more source