MEDIS

The MEDIS dataset is an extensive geospatial database encompassing all Mediterranean islands larger than 0.01 km2, aiming to facilitate ecological, economic, environmental, and social research. This compilation, containing 2212 islands, provides detailed data on 38 variables including geographic, climatic, ecological, and land-use aspects.

Identification

Alternate Identifier: 0a93cb8a-1073-4503-ab10-20d5accce3d1

Publication Date: 2023-10-13

Title: MEDIS

Short Name: MEDIS

Abstract: The MEDIS dataset is an extensive geospatial database encompassing all Mediterranean islands larger than 0.01 km2, aiming to facilitate ecological, economic, environmental, and social research. This compilation, containing 2212 islands, provides detailed data on 38 variables including geographic, climatic, ecological, and land-use aspects.

Dataset Language: eng

Dataset Creator: BIOME Lab, Department of Biological, Geological and Environmental Sciences, Alma Mater Studiorum - University of Bologna - Piero Zannini ()

Dataset Creator: BIOME Lab, Department of Biological, Geological and Environmental Sciences, Alma Mater Studiorum - University of Bologna - Alessandro Chiarucci ()

Dataset Creator: BIOME Lab, Department of Biological, Geological and Environmental Sciences, Alma Mater Studiorum - University of Bologna - Riccardo Testolin ()

Dataset Creator: BIOME Lab, Department of Biological, Geological and Environmental Sciences, Alma Mater Studiorum - University of Bologna - Francesco Santi ()

Dataset Creator: Department of Life, Health Environmental Science, University of L’Aquila - Michele Di Musciano ()

Dataset Creator: Department of Life, Health Environmental Science, University of L’Aquila - Lorenzo Ricci ()

Dataset Creator: BIOME Lab, Department of Biological, Geological and Environmental Sciences, Alma Mater Studiorum - University of Bologna - Virginia Micci ()

Metadata Provider: BIOME Lab, Department of Biological, Geological and Environmental Sciences, Alma Mater Studiorum - University of Bologna - Piero Zannini ()

Associated Party: National Research Council - Research Institute on Terrestrial Ecosystems - Ilaria Rosati (Custodian / Steward)

https://orcid.org/0000-0003-3422-7230

Associated Party: National Research Council - Research Institute on Terrestrial Ecosystems - Andrea Tarallo (Custodian / Steward)

https://orcid.org/0000-0002-2749-8588

Dataset Contact: BIOME Lab, Department of Biological, Geological and Environmental Sciences, Alma Mater Studiorum - University of Bologna - Piero Zannini ()

Keywords ()

island
mediterranean
spatial
biogeography

Geographic Coverage

Geographic Description: Mediterranean sea.

Bounding Box

West Bounding Coordinate: -5.421702

East Bounding Coordinate: 35.8733

North Bounding Coordinate: 45.25677

South Bounding Coordinate: 31.192083

Temporal Coverage

Range of Dates

Begin Date: 2021-01-01

End Date: 2023-07-31

Taxonomic Coverage

No information provided.

License Information

Intellectual Rights: This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this license. http://creativecommons.org/licenses/by/4.0/.

Resource License

License Name: Creative Commons Attribution Non Commercial (CC-BY-NC) 4.0 License

URL: http://creativecommons.org/licenses/by/4.0/

Distribution

Online

A brief description of the the content of online URL.: Info and download page on LifeWatch Italy Data Portal

URL: https://dataportal.lifewatchitaly.eu/view/urn%3Auuid%3Acfb9d68a-cace-4798-8eea-a2f2335402e1

Online

A brief description of the the content of online URL.: DOI

URL: https://doi.org/10.48372/98eh-f935

• Project

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• Data Table

Name: medis.GeoJSON

Description: This compilation, containing 2212 islands, provides detailed data on 38 variables including geographic, climatic, ecological, and land-use aspects.

Physical

Object Name: medis.GeoJSON

Size: 86 MB

Attribute List

Attribute

Name: id

Label: id

Definition: Unique identifier as positive integer. Values ranges from 1 to 2212 according to decreasing area size.

Measurement Scale

Measurement Type: nominal

Measurement Domain

Code

Definition

Annotation

Property URI

Value URI

Attribute

Name: name

Label: name

Definition: The name of the island.

Missing Value Code

Code

Explanation

Measurement Scale

Measurement Type: nominal

Attribute

Name: name_simple

Label: name_simple

Definition: The name of the island without accent marks.

Measurement Scale

Measurement Type: nominal

Attribute

Name: area

Label: area

Definition: Area value of the island (GSV; Sayre et al., 2018).

Standard Unit: squareKilometers

Measurement Scale

Measurement Type: ratio

Attribute

Name: perimeter

Label: perimeter

Definition: Perimeter value of the island (GSV; Sayre et al., 2018).

Standard Unit: kilometer

Measurement Scale

Measurement Type: ratio

Attribute

Name: max_elev

Label: max_elev

Definition: Maximum elevation value (EU-DEM 25 m).

Standard Unit: meter

Measurement Scale

Measurement Type: ratio

Attribute

Name: mean_elev

Label: mean_elev

Definition: Mean elevation value (EU-DEM 25 m).

Standard Unit: meter

Measurement Scale

Measurement Type: ratio

Attribute

Name: sd_elev

Label: sd_elev

Definition: Standard deviation of elevation values (EU-DEM 25 m).

Standard Unit: dimensionless

Measurement Scale

Measurement Type: ratio

Attribute

Name: mean_rug

Label: mean_rug

Definition: Mean of Terrain Ruggedness Index (TRI; Riley et al., 1999; ) values (EU-DEM 25 m).

Standard Unit: dimensionless

Measurement Scale

Measurement Type: ratio

Measurement Domain

Code

Definition

Attribute

Name: sd_rug

Label: sd_rug

Definition: Standard deviation of Terrain Ruggedness Index (TRI; Riley et al., 1999) values (EU-DEM 25 m).

Standard Unit: dimensionless

Measurement Scale

Measurement Type: ratio

Attribute

Name: mean_tpi

Label: mean_tpi

Definition: Mean of Topographic Position Index (TPI; Weiss, 2001) values (EU-DEM 25 m).

Standard Unit: dimensionless

Measurement Scale

Measurement Type: ratio

Attribute

Name: sd_tpi

Label: sd_tpi

Definition: Standard deviation of Topographic Position Index (TPI; Weiss, 2001) values (EU-DEM 25 m).

Standard Unit: dimensionless

Measurement Scale

Measurement Type: ratio

Attribute

Name: n_lc

Label: n_lc

Definition: Number of unique land cover types in the island (ESA WorldCover 10m v200. Zanaga et al., 2022).

Standard Unit: number

Measurement Scale

Measurement Type: ratio

Attribute

Name: even_lc

Label: even_lc

Definition: Evenness of land cover types in the island (ESA WorldCover 10m v200. Zanaga et al., 2022).

Standard Unit: dimensionless

Measurement Scale

Measurement Type: ratio

Attribute

Name: perc_cropland

Label: perc_cropland

Definition: Cropland cover fraction in the island (ESA WorldCover 10m v200. Zanaga et al., 2022).

Standard Unit: percent

Measurement Scale

Measurement Type: ratio

Attribute

Name: perc_built

Label: perc_built

Definition: Built up cover fraction in the island (ESA WorldCover 10m v200. Zanaga et al., 2022).

Standard Unit: percent

Measurement Scale

Measurement Type: ratio

Attribute

Name: lgm_id

Label: lgm_id

Definition: Polygon ID of the Paleocoastlines dataset to which the island belonged (Paleocoastlines GIS dataset; Zickel et al., 2016).

Standard Unit: dimensionless

Measurement Scale

Measurement Type: ratio

Attribute

Name: area_lgm

Label: area_lgm

Definition: Area of the Polygon ID of the Paleocoastlines dataset to which the island belonged (Paleocoastlines GIS dataset; Zickel et al., 2016).

Standard Unit: squareKilometers

Measurement Scale

Measurement Type: ratio

Attribute

Name: avg_bio_01

Label: avg_bio_01

Definition: Mean value of mean annual air temperature (CHELSA).

Standard Unit: celsius

Measurement Scale

Measurement Type: ratio

Attribute

Name: sd_bio_01

Label: sd_bio_01

Definition: Standard deviation value of mean annual air temperature (CHELSA).

Standard Unit: dimensionless

Measurement Scale

Measurement Type: ratio

Attribute

Name: avg_bio_04

Label: avg_bio_04

Definition: Mean value of temperature seasonality (°C/100; CHELSA).

Standard Unit: celsius

Measurement Scale

Measurement Type: ratio

Attribute

Name: sd_bio_04

Label: sd_bio_04

Definition: Standard deviation value of temperature seasonality (CHELSA).

Standard Unit: dimensionless

Measurement Scale

Measurement Type: ratio

Attribute

Name: avg_bio_07

Label: avg_bio_07

Definition: Mean value of annual range of air temperature (CHELSA).

Standard Unit: celsius

Measurement Scale

Measurement Type: ratio

Attribute

Name: sd_bio_07

Label: sd_bio_07

Definition: Standard deviation value of annual range of air temperature (CHELSA).

Standard Unit: dimensionless

Measurement Scale

Measurement Type: ratio

Attribute

Name: avg_bio_12

Label: avg_bio_12

Definition: Mean value of annual precipitation amount (CHELSA).

Standard Unit: kilogramPerMeterSquaredPerYear

Measurement Scale

Measurement Type: ratio

Attribute

Name: sd_bio_12

Label: sd_bio_12

Definition: Standard deviation value of annual precipitation amount (CHELSA).

Standard Unit: dimensionless

Measurement Scale

Measurement Type: ratio

Attribute

Name: avg_bio_15

Label: avg_bio_15

Definition: Mean value of precipitation seasonality (CHELSA).

Standard Unit: kilogramsPerSquareMeter

Attribute

Name: sd_bio_15

Label: sd_bio_15

Definition: Standard deviation value of precipitation seasonality (CHELSA).

Standard Unit: dimensionless

Measurement Scale

Measurement Type: ratio

Attribute

Name: roads_length

Label: roads_length

Definition: Total road length in the island (GRIP; Meijer et al., 2018).

Standard Unit: kilometer

Measurement Scale

Measurement Type: ratio

Attribute

Name: roads_density

Label: roads_density

Definition: Road density (road length/island area; GRIP; Meijer et al., 2018).

Measurement Scale

Measurement Type: ratio

Attribute

Name: dist_mainland

Label: dist_mainland

Definition: Distance to the mainland (GSV; Sayre et al., 2018).

Standard Unit: meter

Measurement Scale

Measurement Type: ratio

Attribute

Name: dist_closest_island

Label: dist_closest_island

Definition: Distance to the closest island (GSV; Sayre et al., 2018).

Standard Unit: meter

Measurement Scale

Measurement Type: ratio

Attribute

Name: dist_closest_larger_island

Label: dist_closest_larger_island

Definition: Distance to the closest larger island (GSV; Sayre et al., 2018).

Standard Unit: meter

Measurement Scale

Measurement Type: ratio

Attribute

Name: dist_closest_10x_larger_island

Label: dist_closest_10x_larger_island

Definition: Distance to the closest 10 times larger island (GSV; Sayre et al., 2018).

Standard Unit: meter

Measurement Scale

Measurement Type: ratio

Attribute

Name: dist_closest_100x_larger_island

Label: dist_closest_100x_larger_island

Definition: Distance to the closest 100 times larger island (GSV; Sayre et al., 2018).

Standard Unit: meter

Measurement Scale

Measurement Type: ratio

Attribute

Name: dist_closest_1000x_larger_island

Label: dist_closest_1000x_larger_island

Definition: Distance to the closest 1000 times larger island (GSV; Sayre et al., 2018).

Standard Unit: meter

Measurement Scale

Measurement Type: ratio

Attribute

Name: volcanic

Label: volcanic

Definition: The field indicates if the island is entirely volcanic.

Measurement Scale

Measurement Type: ordinal

Measurement Domain

Code: 1

Definition: volcanic

Measurement Domain

Code: 0

Definition: no volcanic

Default

Identification

Geographic Coverage

Bounding Box

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License Information

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Online

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