Results 11 to 20 of about 4,426,309 (359)

Combining multiple markers significantly increases the sensitivity and precision of eDNA‐based single‐species analyses

open access: yesEnvironmental DNA, 2023
The analysis of environmental DNA (eDNA) is becoming integrated as an established biomonitoring tool, often characterized by detection limits exceeding those of conventional counterparts. However, further improving the sensitivity of these methods may be
Rein Brys   +4 more
doaj   +1 more source

Experimental assessment of downstream environmental DNA patterns under variable fish biomass and river discharge rates

open access: yesEnvironmental DNA, 2023
The development of environmental DNA (eDNA) methods toward implementation as a cost‐effective, nonlethal tool for fish biomonitoring in lotic environments requires insights on the temporal and spatial distribution of eDNA in river systems. Yet, little is
Charlotte Van Driessche   +3 more
doaj   +1 more source

The Genetic Diversity of the Americas [PDF]

open access: yesAnnual Review of Genomics and Human Genetics, 2017
The history of the Americas involved the encounter of millions of Native Americans, Europeans, and Africans. A variable admixture of these three continental groups has taken place throughout the continent, influenced by demography and a range of social factors.
Andres Ruiz-Linares   +8 more
openaire   +5 more sources

Using quantitative eDNA analyses to accurately estimate American bullfrog abundance and to evaluate management efficacy

open access: yesEnvironmental DNA, 2022
Biological invasions contribute now more than ever to the global homogenization of fauna and flora. Large‐scale monitoring programs are, therefore, needed to detect incipient invasions and to evaluate management interventions.
Teun Everts   +7 more
doaj   +1 more source

Genetic diversity loss in the Anthropocene

open access: yesbioRxiv, 2021
More species than ever before are at risk of extinction due to anthropogenic habitat loss and climate change. But even species that are not threatened have seen reductions in their populations and geographic ranges, likely impacting their genetic ...
Moisés Expósito-Alonso   +15 more
semanticscholar   +1 more source

Molecular and morphological characterization of Globodera rostochiensis (Wollenweber, 1923) Skarbilovich, 1959 from Egypt

open access: yesNotulae Scientia Biologicae, 2021
The golden potato cyst nematode, Globodera rostochiensis (Wollenweber, 1923) Skarbilovich (1959) is a damaging soilborne quarantine pest of Solanum tuberosum (potato) and other solanaceous crops worldwide. In spring of 2021 a survey was conducted in area
Sanaa A. HAROON   +4 more
doaj   +1 more source

Morphological Characterization of Fresh and 20-Yr-Old Fixed Nematode Specimens of Sauertylenchus maximus (Allen, 1955) Siddiqi, 2000 Deposited in the USDA Nematode Collection from Arlington National Cemetery, VA, USA

open access: yesJournal of Nematology, 2022
Sauertylenchus maximus was discovered during a survey conducted at the Arlington National Cemetery, Virginia, for the type specimens of Hoplolaimus galeatus. Besides the fresh material, the fixed specimens of S. maximus were also studied by molecular and
Kantor Mihail R.   +4 more
doaj   +1 more source

Phyto-ecological analysis of Phytolacca acinosa Roxb. assemblages in Kashmir Himalaya, India

open access: yesFrontiers in Forests and Global Change, 2022
Phyto-ecological studies are essential in understanding community structure, organization and their response to changes in other environmental factors.
Junaid A. Magray   +4 more
doaj   +1 more source

Global determinants of freshwater and marine fish genetic diversity

open access: yesNature Communications, 2020
Genetic diversity is estimated to be declining faster than species diversity under escalating threats, but its spatial distribution remains poorly documented at the global scale.
S. Manel   +6 more
semanticscholar   +1 more source

Comparative genome analyses suggest a hemibiotrophic lifestyle and virulence differences for the beech bark disease fungal pathogens Neonectria faginata and Neonectria coccinea

open access: yesG3: Genes, Genomes, Genetics, 2021
Neonectria faginataNeonectria coccineaN. faginataN. coccineaN. coccineaN. faginataN. coccineaN. faginataN. coccineaN. faginataN. coccineaN. faginataN.
Catalina Salgado-Salazar   +3 more
doaj   +1 more source

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