Dataset 643

Back into the past: Resurveying random plots to track community changes in Italian coastal dunes.

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Realm: Terrestrial
Climate: Temperate
Biome: Mediterranean Forests, woodlands and scrubs
Central latitude: 41.633600
Central longitude: 12.385800
Duration: 2 years, from 2004 to 2017

4174 records

205 distinct species

Across the time series Thinopyrum junceum is the most frequently occurring species

Methods

Vegetation data were collected at two points in time (Time 0, hereafter T0: 2002-2007, and Time 1, herafter T1: 2017-2018) in 334 randomly-sampled, georeferenced, standardized (4 m2) plots. Historical data used for the resurveying study were extracted from RanVegDunes (Sperandii et al. 2017). Details on the resurveying protocol can be found in Sperandii et al. (2019), but in short: resampling activities took place during the same months in which the original sampling was done, and plot positions were relocated using a GPS unit on which historical geographic coordinates were stored. Plots are located in coastal dune sites along the Tyrrhenian and Adriatic coasts of Central Italy, and belong to herbaceous communities classified into the following EU Habitats (sensu Annex I 92/43/EEC): upper beach (Habitat 1210), embryo dunes (Habitat 2110), shifting dunes (Habitat 2120), fixed dunes (Habitat 2210), and dune grasslands (Habitat 2230). A subset of plots could not be classified into an EU Habitat because they were highly disturbed or invaded by alien species (NC-plots”). The matrix includes cover data, expressed as percentage (%) cover.

Citation(s)

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