Results 171 to 180 of about 194,636 (357)

Community assembly of saproxylic beetles in old-growth forest and recently burnt forest

open access: yes, 2015
Community assembly is the trajectory exhibited over time regarding species composition and community structure as species colonize an empty patch. Chase (2007) distinguish two basic types of assembly where a niche-assembled community is constrained by ...
Sveriges lantbruksuniversitet.   +1 more
core  

Dead wood retention and the risk of bark beetle attack [PDF]

open access: yes, 2002
Wind-felled Norway spruce trees left for conservation purposes and spruce stems stored as forest fuel may be colonised by the bark beetles Ips typographus and Pityogenes chalcographus (Coleoptera: Scolytidae).
Hedgren, Per Olof
core  

Nuevos registros estatales y nacionales de escarabajos (Coleoptera: Scarabaeoidea) y comentarios sobre su distribución New state and country records of scarab beetles (Coleoptera: Scarabaeoidea) and comments on their distribution

open access: yesRevista Mexicana de Biodiversidad, 2012
Se detallan 49 registros estatales nuevos para 38 especies de Geotrupidae, Hybosoridae, Melolonthidae y Scarabaeidae en Coahuila (1), Colima (3), Chiapas (1), Durango (1), Guerrero (1), Guanajuato (5), Hidalgo (4), Jalisco (1), Michoacán (2), Nayarit (2),
Miguel Ángel Morón, Juan Márquez
doaj  

ESG Performance, Debt Financing, and R&D Output: Evidence From the Healthcare Sector

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Amid growing calls for sustainability in the healthcare sector, this study examines how and under what conditions environmental, social, and governance (ESG) performance influences research and development (R&D) output. Although existing studies suggest that ESG performance enhances R&D output, the financial mechanisms that enable or constrain
Sarmad Ali   +2 more
wiley   +1 more source

Effects of Simultaneous Sitophilus zeamais and Prostephanus truncatus During Storage of Maize in Hermetic and Non‐Hermetic Conditions

open access: yesCereal Chemistry, EarlyView.
ABSTRACT Background Sitophilus zeamais (Mostschulsky), the maize weevil, and Prostephanus truncatus (Horn), the larger grain borer, are two notorious insect pests of farm‐stored products in Sub‐Saharan Africa (SSA). The goal of this study was to determine whether there were interactions between P. truncatus and S. zeamais during storage.
Rashid Suleiman, Kurt A. Rosentrater
wiley   +1 more source

The roles of beetles and flies in yak dung removal in an alpine meadow of eastern Qinghai-Tibetan Plateau

open access: yes, 2010
Flies and beetles are 2 major functional invertebrate groups responsible for dung removal and nutrient cycling in many alpine pastures. In order to determine the effect of the 2 groups on dung removal rate, as well as the associated mechanisms, we ...
Sun, Shucun   +2 more
core  

Homo‐/Heterodimeric Substrates Bias the Type and Multiplicity of Hydroxamic Acid Chelators Assembled by a NIS Synthetase DesD

open access: yesChemistry – A European Journal, EarlyView.
Chemoenzymatic reactions using the siderophore synthetase DesD from Salinispora tropica and hydroxamic acid substrates (native, non‐native) with different multiplicities (monomer, dimer) and components (homo‐/heterodimer) followed different reaction trajectories, which biased the architectures of the chelator major products and indicated DesD contains ...
Callum A. Rosser   +2 more
wiley   +1 more source

The peril of dating beetles

open access: yes, 2017
Emmanuel F. A. Toussaint   +7 more
semanticscholar   +1 more source

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