Results 21 to 30 of about 8,048 (260)

Endemism in historical biogeography and conservation biology: concepts and implications

open access: yesBiogeographia, 2017
Endemism is often misinterpreted as referring to narrow distributions (range restriction). In fact, a taxon is said to be endemic to an area if it lives there and nowhere else.
Simone Fattorini
doaj   +1 more source

Are Mediterranean Island Mountains Hotspots of Taxonomic and Phylogenetic Biodiversity? The Case of the Endemic Flora of the Balearic Islands

open access: yesPlants, 2023
The Mediterranean islands are exceptionally rich in endemism, most of which is narrowly distributed. Conservation measures, such as protected areas, have been prioritised, mainly on the basis of species richness and endemism, but phylogenetic information
Moisès Guardiola, Llorenç Sáez
doaj   +1 more source

Species diversity, hotspot congruence, and conservation of North American damselflies (Odonata: Zygoptera)

open access: yesFrontiers in Ecology and Evolution, 2023
The rapid extinction of species is of considerable concern for biodiversity conservation. Identifying the drivers of species diversity and hotspots is beneficial for developing conservation strategies.
Zhengxue Zhao   +4 more
doaj   +1 more source

Childhood leprosy in an endemic area

open access: yesLeprosy Review, 1999
A study was done on 794 new cases of leprosy among children (aged 0-14 years) detected and treated with MDT during 1990-1995 in Gudiyatham Taluk, South India. Incidence rates of leprosy and proportion of multibacillary cases increased with age, while bacillary + tuberculoid was most common.
A, Selvasekar   +5 more
openaire   +2 more sources

Endemic juvenile hypothyroidism in a severe endemic goitre area of Sudan [PDF]

open access: yesClinical Endocrinology, 1993
SummaryOBJECTIVE The aim of the study was to assess thyroid function, Iodine Intake and exposure to dietary goitrogens of children living in an area with a high prevalence of goitre, in the region of Darfur, Sudan.DESIGN In a village where goitre affected approximately 85% of children, a cross‐sectional survey of thyroid function was performed in ...
R, Moreno-Reyes   +4 more
openaire   +2 more sources

Patterns of Endemism in Turkey, the Meeting Point of Three Global Biodiversity Hotspots, Based on Three Diverse Families of Vascular Plants

open access: yesFrontiers in Ecology and Evolution, 2019
Centers of endemism and areas of endemism are important biogeographic concepts with high relevance for conservation and evolutionary biology. Turkey is located at the intersection of three global biodiversity hotspots (Mediterranean, Caucasian, Irano ...
Jalil Noroozi   +6 more
doaj   +1 more source

Tuberculosis and atopy: A study in an endemic area [PDF]

open access: yesRespiratory Medicine, 2006
Atopy is expected to be less frequent and milder in patients with early exposure to bacterial infections because of regulatory immune mechanisms. The definition of the hygiene hypothesis and most of the related studies have been performed in children.
Anlar, F. Y., Kabasakal, E., Karsi, R.
openaire   +2 more sources

The evolution of paleo- and neo-endemic species of Cactaceae in the isolated Valley of Tehuacán-Cuicatlán, Mexico [PDF]

open access: yesPlant Ecology and Evolution
Background and aims – Endemism may be defined according to the time of origin of taxa. Neo-endemics refer to relatively recent species that have not dispersed outside their ancestral areas. In contrast, paleo-endemics refer to species of ancient origins,
Fabiola Soto-Trejo   +5 more
doaj   +3 more sources

Psittacosis in a highly endemic area in Italy [PDF]

open access: yesEpidemiology and Infection, 1987
SUMMARYIn one locality in Italy where the incidence of psittacosis has increased rapidly since 1980, a hospital-based study and a seroepidemiological survey were carried out in order to define the clinical and epidemiological features of psittacosis in that area.Registers of the Virology Unit of the University of Ancona, Italy, were reviewed and all ...
C, Maffei   +5 more
openaire   +2 more sources

Lineage range estimation method reveals fine-scale endemism linked to Pleistocene stability in Australian rainforest herpetofauna.

open access: yesPLoS ONE, 2015
Areas of suitable habitat for species and communities have arisen, shifted, and disappeared with Pleistocene climate cycles, and through this shifting landscape, current biodiversity has found paths to the present. Evolutionary refugia, areas of relative
Dan F Rosauer   +4 more
doaj   +1 more source

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