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Effects of local density on pollination and reproduction in Delphinium nuttallianum and Aconitum columbianum (Ranunculaceae).
Plant populations vary in density both naturally and as a consequence of anthropogenic impacts. Density in turn can influence pollination by animals. For example, plants in dense populations mightExpand
Allozyme diversity in the tetraploid endemic Thymus loscosii (Lamiaceae).
BACKGROUND AND AIMS Thymus loscosii (Lamiaceae) is a tetraploid perennial species endemic to the Ebro river basin (north-eastern Spain), which is included in the National Catalogue of EndangeredExpand
Breeding systems in tribe Delphinieae (Ranunculaceae) in the western Mediterranean area
Summary The breeding system of 30 populations belonging to 20 species of Aconitum, Delphinium and Consolida ( Delphinieae, Ranunculaceae) in the western Mediterranean area was studied and itsExpand
Ram rut-involvement in a hunted population of mouflons
This study was conducted during the rut in a protected valley (Vialais) inhabited by one permanent population of ewes. This valley formes part of a larger hunted area. Rams which segregate from ewesExpand
Pollination ecology in tribe "Delphineae" ("Ranunculaceae") in W mediterranean area: floral visitors and pollinator behaviour
The pollination ecology of W. Mediterranean species of the genera Aconitum, Delphinium and Consolida has been studied, mainly from the point of view of floral visitors and potential pollinators.Expand
Nocturnal pollination of the endemic Silene sennenii (Caryophyllaceae): an endangered mutualism?
Silene sennenii is an extremely narrow endemic species from the north-eastern Iberian Peninsula, with only five populations. Its habitat, severely affected by urban, industrial, and agricultural landExpand
Cytogenetic and isozymic characterization of the narrow endemic species Artemisia molinieri (Asteraceae, Anthemideae): implications for its systematics and conservation
We carried out a cytogenetic and isozymic study of Artemisia molinieri Quezel, Barbero, & R. Loisel (Asteraceae, Anthemideae), a narrow endemic species limited to two populations in southeasternExpand
Pollination ecology of the pre‐Pyrenean endemic Petrocoptis montsicciana (Caryophyllaceae): effects of population size
Petrocoptis montsicciana (Caryophyllaceae) is a threatened pre-Pyrenean endemic that grows exclusively on caves and walls of limestone. We studied its pollination ecology by monitoring phenology andExpand
Effects of Habitat Fragmentation on Allozyme Diversity and Conservation Status of the Coastal Sand Dune Plant Stachys maritima (Lamiaceae) in the Iberian Peninsula
: Allozyme electrophoresis was used to evaluate levels and distribution of genetic diversity in Iberian populations of the threatened coastal sand dune plant Stachys maritima (Lamiaceae). During theExpand
Conservation biology of the Pyrenean larkspur (Delphinium montanum): a case of conflict of plant versus animal conservation?
Abstract Delphinium montanum is a larkspur endemic to the Pyrenees. It has c. 4000 individuals and is classified as vulnerable following the IUCN categories. Pollination ecology results demonstratedExpand