Stenanthium gramineum (Ker. Gawler) Morong (Melanthiaceae) has historically been an understudied species. This species is generally considered to consist of two varieties: var. gramineum, a habitat generalist, occurring on...
Mot-clé:
Appalachians, Bog, endangered, Featherbells, native et Stenanthium
Assujettir:
Melanthiaceae, Bogs, Endangered plants et Endemic plants
Members of the elusive insect order Embiidina are known for their prolific use of silk, and are unusual among insects in that silk is produced by both sexes and all life stages. However, the relative costs of silk spinning...
Mot-clé:
Aposthonia ceylonica, Embiidina, Sexual dimorphism, Silk, Social behavior et Social context
Territory selection can greatly affect a species’ ecology, from density to interactions among individuals. Previously, habitat quality was found to be one of the driving forces in territory selection. However, the use of social...
Mot-clé:
song sparrow et territory selection
Assujettir:
Song sparrow -- Territoriality, Song sparrow -- Behavior et Social behavior in animals
In recent years, investigative genetic genealogy (IGG), which involves the use of genealogical methods combined with DNA analysis to make potential familial matches, has become an important tool in solving cold and active...
Mot-clé:
degraded samples, DNA extraction, human identification, massively parallel sequencing et SNPs
Assujettir:
Forensic pathology, Forensic genetics, DNA, Single nucleotide polymorphisms et Nucleotide sequence
The ability of a species to disperse is a key component in maintaining gene flow and therefore genetic diversity between populations. Dispersal in the lampshade spider Hypochilus, may be adversely affected by their extreme...
Arsenic contamination is a world-wide concern. In the past, soil contaminated with arsenic was removed using heavy equipment resulting in the destruction of the environment. However, in recent years a new method,...
Mot-clé:
Arsenic, Fern et Phytoremediation
Assujettir:
Phytoremediation, Soil remediation, Arsenic wastes, Bioremediation et Ferns -- Metabolism
Anthropogenic influences have contributed to the decline of many freshwater mussel species, with many listed as endangered, threatened, or of special concern. Suitable water quality, proper substrate habitat, and the presence...
Mot-clé:
conservation, freshwater mussels, Lampsilis fasciola, restoration et Villosa iris
Assujettir:
Freshwater mussels -- North Carolina -- Oconaluftee River et Animal introduction -- North Carolina -- Oconaluftee River
The critically endangered Dusky Gopher Frog occupies longleaf pine savannas frequented by fire, where grasses and natural burrows are abundant. Gopher frogs avoid fire-suppressed habitat, where the understory is comprised of...
In the southern Appalachian Mountains, sparsely distributed rock outcrop communities harbor a significant number of rare and endemic plants. Unique communities of plants are found on rock outcrops of differing bedrock,...
Mot-clé:
Conservation, Networks, Phenology, Pollination et Rock outcrops
Assujettir:
Plant phenology, Outcrops (Geology) et Pollinators
The Erigeron strigosus Muhl. Ex Willd (Asteraceae) species complex is composed of late spring to early summer herbs that are widespread in North America. Many populations of this complex are polyploid and apomictic, but studies...
Mot-clé:
AFLP, apomixis, Asteraceae, common garden, Erigeron et polyploidy
Assujettir:
Compositae, Genetic polymorphisms, Apomixis, Polyploidy et Erigeron
