Results 21 to 30 of about 6,435,502 (219)
Journal of Nematology, 2022 Difficulties inherent in the morphological identification of cyst nematodes of the genus Heterodera Schmidt, 1871, an important lineage of plant parasites, has led to broad adoption of molecular methods for diagnosing and differentiating species.
Huston Daniel C. +2 more
doaj +1 more source
Collecting value / valuing collecting [PDF]
London Review of International Law, 2016 A visual essay exploring the concept of value in the context of a special issue on value.
openaire +1 more source
The taxonomic quagmire of northern Australian snake-necked turtles (Testudines: Chelidae): Chelodina kuchlingi—Extinct or hiding in plain sight? [PDF]
Vertebrate ZoologyUsing mitochondrial genomes and nine nuclear loci, we examined genetic variation in snake-necked turtles (Chelodina sensu lato), with a focus on northern Australian taxa.
Christian Kehlmaier +2 more
doaj +3 more sources
Scientific Reports, 2022 Defences of hosts against brood parasitic cuckoos include detection and ejection of cuckoo eggs from the nest. Ejection behaviour often involves puncturing the cuckoo egg, which is predicted to drive the evolution of thicker eggshells in cuckoos that ...
Clare E. Holleley +4 more
doaj +1 more source
Global sampling decline erodes science potential of natural history collections
Nature CommunicationsThe world’s natural history collections hold over two billion specimens, representing a unique spatial and taxonomic record of biodiversity on Earth over time. In recent decades, the accessibility and value of collections data have grown through specimen
Owen Forbes +2 more
doaj +1 more source
Evaluation of Phosphorus Efficiency in Cultivated and Wild Potato Genotypes
PlantsPhosphorus (P) deficiency is a critical constraint to cultivated potato (Solanum tuberosum L.) production, while wild potato germplasm is known to harbor traits that enhance tolerance to low P conditions.
Mousumi Hazarika +3 more
doaj +1 more source
Parasites & Vectors, 2015 Background Gyrodactylus salaris is a directly transmitted ectoparasite that reproduces in situ on its fish host. Wild Norwegian (East Atlantic) salmon stocks are thought to be especially susceptible to the parasite due to lack of co-adaptation, contrary ...
Raúl Ramírez +2 more
doaj +1 more source
ZooKeys, 2018 The braconid wasp parasitoid Cotesia nuellorum Whitfield, new species, is described from specimens reared from a caterpillar of the hickory horned devil, Citheronia regalis (F.), and from a caterpillar of the luna moth, Actias luna (L.), in eastern Texas.
James B. Whitfield +2 more
doaj +3 more sources
Importance of building a digital species index (spindex) for entomology collections: A case study, results and recommendations [PDF]
Biodiversity Data Journal, 2020 The Entomology Collection at the Academy of Natural Sciences of Drexel University (ANSP) contains approximately four million insect specimens including some of the oldest in the Western Hemisphere.
Stephen Mason, Jr. +2 more
doaj +3 more sources
Taking our pulse: the OCLC research survey of special collections and archives [PDF]
, 2010 Special collections and archives are increasingly seen as element s of distinction that serve to differentiate a n academic or research library from its peers.
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