Molecular systematics and the conservation of rare species

Article Abstract:

Four areas in which systematics could contribute to conservation of rare plant species have been identified, among them species concepts and the setting of conservation. Although systematic biology is traditionally the basis for the science of diversity, systematics has not had much input to theory/practice of conservation biology. Species concepts that take in history and phylogeny will be more helpful for saving biodiversity than will others. Molecular phylogenetic studies of a diverse group of endangered or threatened organisms, including humpback whales and sea turtles, have found multiple genetically distinct lineages within what is thought to be a species.

United States, Planning, Usage, Practice, Genetic aspects, Identification and classification, Phylogeny (Botany), Plant phylogeny, Botany, Biological diversity conservation, Biodiversity conservation, Plant conservation, Plant taxonomy, Biogeography, Rare plants

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Cemeteries as repositories of natural and cultural diversity

Article Abstract:

Small animals of the earth that reside in human-influenced cultural landscapes are frequently referred as cultural landscapes, and represent a fundamental storehouse of the natural and cultural capital of the earth and therefore deserve increased attention, understanding, and preservation. Cemeteries located within artificial landscape matrices and natural landscape matrices represent model systems in which the relationship of biotic and cultural diversity to patch-matrix elements at differing spatiotemporal scales are investigated.

Landscape assessment

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Genetic diversity and tests of the hybrid origin of the endangered yellow larkspur

Article Abstract:

The levels and patterns of genetic diversity in one wild population and two cultivated populations are studied and the hypothesis that Delphinium luteum is of hybrid origin between D. decorum and D. nudicaule is tested using allozyme and random amplified polymorphic DNA (RAPD) markers. The results show that the allozyme data did not reveal any fixed differences between D. decorum and D. nudicaule.

Analysis, DNA testing, DNA identification, Delphinium, Delphiniums

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