Results 81 to 90 of about 352,582 (251)

Latitudinal distribution and mitochondrial DNA (COI) variability of Stereotydeus spp. (Acari: Prostigmata) in Victoria Land and the central Transantarctic Mountains [PDF]

open access: yes, 2010
We examined mitochondrial DNA (COI) variability and distribution of Stereotydeus spp. in Victoria Land and the Transantarctic Mountains, and constructed Neighbour Joining (NJ) and Maximum Likelihood (ML) phylogenetic trees using all publicly available ...
Adams, Byron J.   +3 more
core   +2 more sources

Metabarcoding Versus Species‐Specific Primers to Estimate Salmo trutta Biomass and Density in Mountain Streams

open access: yesEnvironmental DNA, Volume 7, Issue 2, March/April 2025.
This study explores the use of environmental DNA (eDNA) as a noninvasive, cost‐efficient tool to monitor trout populations in mountain streams. It found that eDNA concentration correlates positively with trout biomass and density, particularly using general primers for 18S rRNA gene and COI‐Salmo trutta specific primers.
Alba M. Losa   +5 more
wiley   +1 more source

Morphological and molecular characterizations of Pratylenchus coffeae infecting Ming aralia and coffee in Vietnam

open access: yesHelminthologia
Pratylenchus coffeae, belonging to the root-lesion nematode group, is a highly prevalent and destructive plant-parasitic nematode that is able to infest a wide range of host plants.
Nguyen H. D.   +5 more
doaj   +1 more source

Linear magnetic brake with two windings Patent [PDF]

open access: yes, 1970
Linear magnetic braking system with nonuniformly wrapped primary coil producing constant braking force on secondary ...
Kosmahl, H. G.
core   +1 more source

Identification of European species of Maja (Decapoda: Brachyura: Majidae): RFLP analyses of COI mtDNA and morphological considerations

open access: yesScientia Marina, 2011
Four species of crabs of the genus Maja have been described along the European coast: M. brachydactyla, M. squinado, M. goltziana and M. crispata. The commercially important species M. brachydactyla and M.
Guillermo Guerao   +4 more
doaj   +1 more source

Commercialisation of government communications:submission to the Government Communications Review Group, Stirling Media Research Institute [PDF]

open access: yes, 2003
Much of the debate around government communications has focused on the use of special advisers, the lobby system and the centralisation of the system under Alastair Campbell.
Miller, David
core  

Sycophila pistacina (Hymenoptera: Eurytomidae): A valid species

open access: yesEuropean Journal of Entomology, 2008
Sycophila pistacina (Rondani), which was previously synonymized with Sycophila biguttata (Swederus), is revalidated. Morphological, morphometric and molecular data confirm its status as a separate species.
Hosseinali LOTFALIZADEH   +2 more
doaj   +1 more source

The General Context of a dynamic agricultural sector in the Red River Delta [PDF]

open access: yes, 2006
224pThis chapter presents the status of the agricultural sector in the Red River Delta in Vietnam. The sociopolitical environment and development policies are outlined. Thai Binh's development priorities are discussed.
Porphyre, Vincent, Que Coi, Nguyen
core   +1 more source

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