Dataset 756

Data from: Using beta diversity to inform agricultural policies and conservation actions on Mediterranean farmland

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Realm: Terrestrial
Climate: Temperate
Biome: Mediterranean Forests, woodlands and scrubs
Central latitude: 37.670000
Central longitude: -8.002000
Duration: 6 years, from 1995 to 2012

2263 records

84 distinct species

Across the time series Emberiza calandra is the most frequently occurring species

Methods

From Santana et al. 2017: 'In each study year, transects were walked in early morning and late afternoon in April-May, and birds species detected [seen or heard] within 250 m bands were registered'. Details from Santana et al. 2014 (cited in Santana et al. 2017): Transects are 250 m long, and positioned in random orientations from map grid intersections. For logistical reasons, some transects have not been counted in all years. The large radius for detecting birds from the transect (250m) was used to increase detection of shyer species, but may mean small bird abundances are underestimated as they are harder to see at this distance. Aquatic birds are excluded because they are expected not to respond directly to farmland management and are 'inadequately sampled' by this method.

Citation(s)

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