The analyses are focused on monitoring coastal sand dunes landscape (mapping) of the central Adriatic area, which are representative of Mediterranean dune ecosystems and are partially included in the long-term ecological monitoring network (LTER - site code: LTER_EU_IT_081). Based on the use of specific GIS software and integrating photo-interpretation and classification of remotely sensed data, the study depict multi-temporal changes by mapping and updating land cover and vegetation information (1954- to date) of the cast of south Abruzzo and Molise regions. Specific attention is given to the identification of the seashore, dune habitats (coastal plant communities) and land cover types at a detailed spatial scale (1:5000).

Botanical monitoring of grazing livestock on several pastures (hungarian gray cattle, Przewalski hourses, white donkeys,...) with permanent plots.

The dataset provides information about the ground surface temperature (10-cm depth), measured hourly (period 2016-2021), at eight permanent LTER sites (named 1, 2, 3, 6, 7, 8, 9, and 10, according to the LTER site numerations), located between 2686 (site 10) and 2854 m a.s.l. (site 6). Details: Site 1 (coordinates: 45°52'22.43"N, 7°52'25.84"E; elevation: 2840 m a.s.l.), Site 2 (coordinates: 45°52'22.17"N, 7°52'38.07"E; elevation: 2800 m a.s.l.), Site 3 (coordinates: 45°52'13.52"N, 7°52'35.01"E; elevation: 2770 m a.s.l.), Site 6 (coordinates: 45°52'32.21"N, 7°52'31.87"E; elevation: 2854 m a.s.l.), Site 7 (coordinates: 45°52'29.13"N, 7°52'44.71"E; elevation: 2813 m a.s.l.), Site 8 (coordinates: 45°52'27.74"N, 7°52'56.86"E; elevation: 2749 m a.s.l.), Site 9 (coordinates: 45°52'23.80"N, 7°53'3.96"E; elevation: 2720 m a.s.l.), and Site 10 (coordinates: 45°52'21.76"N, 7°53'9.32"E; elevation: 2686 m a.s.l.).

Counting of resident and wintering Greyleg Geese (Anser anser) and tagging them with neck collars and GPS locators. Furthermore counting of hatched juveniles in early summer. Everything synchronized with the colleagues of the Hungarian side of the Nationalpark.

The dataset provides information about the soil chemical properties at eight permanent LTER sites (named site 1, 2, 3, 6, 7, 8, 9, and 10, according to the LTER site numerations), located between 2686 (site 10) and 2854 m a.s.l. (site 6). The investigated period is 2016-2020. Details: Site 1 (coordinates: 45°52'22.43"N, 7°52'25.84"E; elevation: 2840 m a.s.l.), Site 2 (coordinates: 45°52'22.17"N, 7°52'38.07"E; elevation: 2800 m a.s.l.), Site 3 (coordinates: 45°52'13.52"N, 7°52'35.01"E; elevation: 2770 m a.s.l.), Site 6 (coordinates: 45°52'32.21"N, 7°52'31.87"E; elevation: 2854 m a.s.l.), Site 7 (coordinates: 45°52'29.13"N, 7°52'44.71"E; elevation: 2813 m a.s.l.), Site 8 (coordinates: 45°52'27.74"N, 7°52'56.86"E; elevation: 2749 m a.s.l.), Site 9 (coordinates: 45°52'23.80"N, 7°53'3.96"E; elevation: 2720 m a.s.l.), and Site 10 (coordinates: 45°52'21.76"N, 7°53'9.32"E; elevation: 2686 m a.s.l.). The bedrock is primarily micaschists, with some inclusions of amphibolites and calcschists. The vegetation of the sites is included in the ‘Siliceous alpine and boreal grasslands’ (habitat 6150, according to the EU Habitat Directive). At each site, consisting of paired plots for soil and vegetation survey, three 9 m2 plots are established, where three topsoil samples (A horizon, 0–10 cm depth) are collected each month during the snow-free season. On soil samples the following analysis are performed: N-NH4, N-NO3, dissolved organic carbon (DOC), total dissolved nitrogen (TDN), dissolved organic nitrogen (DON), microbial carbon (Cmicr), and microbial nitrogen (Nmicr).

The KwaZulu-Natal Bight Sentinel Site (KZNBSS) is a coastal observatory situated on the subtropical east coast of South Africa. The KZNBSS forms part of distributed network of sentinel sites for LTER coordinated by the Shallow Marine and Coastal Research Infrastructure (SMCRI) initiative of the Department of Science and Innovation of South Africa. The site is in its deployment phase with the first instruments launched in February 2022. The network comprises 6 Underwater Temperature Recorder Arrays (UTR) deployed offshore and 3 shallow UTRs deployed in permanently submerged rocky shore gullies for the facilitation of shallow water temperature observations. The site encompasses a coastal reach of 150 km that includes the uThukela MPA to the northeast. Deployment of additional instruments (2023-2025) near the City of Durban will include an Acoustic Doppler Current Profiler (ADCP) and a METOCEAN Coastal Observation Buoy. A Pelagic Ecosystem LTER Programme will also be established in partnership with regional institutions and existing research projects.

The dataset provides information about the physical and chemical characteristics of the snowpack. Every year, a snow profile is open and sampled before the beginning of the melting season, close to the Istituto Scientifico Angelo Mosso (45°52'31.27"N, 7°52'17.09"E, elevation: 2900 m a.s.l.). Data are available for the years 2009 and 2010, and the period 2014-2020 (2016 was not analysed). Snow depth and density are measured, and snow water equivalent (SWE) is calculated. The analysed snow chemical parameters are: pH, electrical conductivity (EC), N-NH4, and N-NO3 (period 2009, 2010, 2014-2020); dissolved organic carbon (DOC), total dissolved nitrogen (TDN), and dissolved organic nitrogen (DON) (period 2014-2020); cations (Ca, Mg, Na, K) (years 2009, 2010, 2015); anions (S-SO4, N-NO2, P-PO4, Cl) (years 2009, 2010, 2015); trace elements (Al, Ba, Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, Rb, Si, Ti, V, Zn) (year 2015).

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Platform for interdisciplinary ecosystem research - with connection to several sub-sites

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