Understanding patterns and drivers of phytodiversity as well as ecological scaling laws and assembly rules constitute core interests both of vegetation ecologists and macroecologists. To enhance our understanding of these issues, we compiled the new “Database of Scale-Dependent Phytodiversity Patterns in Palaearctic Grasslands” (GrassPlot; GIVD ID EU-00-003) within the framework of the Eurasian Dry Grassland Group (EDGG). GrassPlot contains high-quality plot observations (relevés) of eight standard grain sizes (0.0001; 0.001 … 1000 m²) as well as nested-plot series with at least four different grain sizes. The scope of GrassPlot are the grasslands as well as other herb- or cryptogam-dominated terrestrial and semi-terrestrial vegetation types from the whole Palaearctic biogeographic realm (Europe, North Africa, West, Central and North Asia)

Biurrun, Idoia

Boch, Steffen

Chiarucci, Alessandro

Conradi, Timo

Dembicz, Iwona

Dengler, Jürgen

Filibeck, Goffredo

Garcia-Mijangos, Itziar

Guarino, Riccardo

Janišová, Monika

Naqinezhad, Alireza

Steinbauer, Manuel J.

Wagner, Viktoria

ZHAW Zürcher Hochschule für Angewandte Wissenschaften

GrassPlot – the database of multi-scale plant diversity in Palaearctic grasslands 11th Annual Meeting of the Specialist Group on Macroecolgy, 10-13 April 2018, Birmensdorf Fig. 2. Spatial coverage of GrassPlot data from Morocco to Japan. Currently, the majority comes from sub-Mediterranean to hemiboreal Europe (black = multi-scale plots, grey = other plots). Current content v. 1.00 (January 2018) • 126 datasets • 198 data owners • 36 countries • 168,997 plots, among them 14,064 with data also for non-vascular plants • 66,000 0.01-m² plots, 17,206 1-m² plots, 5,520 10- (or 9-) m² plots, 2,545 100-m² plots • 2,797 nested-plot series (with at least 4 grain sizes) Introduction  Understanding patterns and drivers of phytodiversity as well as ecological scaling laws and assembly rules constitute core interests both of vegetation ecologists and macroecologists. To enhance our understanding of these issues, we compiled the new “Database of Scale-Dependent Phytodiversity Patterns in Palaearctic Grasslands” (GrassPlot; GIVD ID EU-00-003) within the framework of the Eurasian Dry Grassland Group (EDGG). GrassPlot contains high-quality plot observations (relevés) of eight standard grain sizes (0.0001; 0.001 … 1000 m²) as well as nested-plot series with at least four different grain sizes. The scope of GrassPlot are the grasslands as well as other herb- or cryptogam-dominated terrestrial and semi-terrestrial vegetation types from the whole Palaearctic biogeographic realm (Europe, North Africa, West, Central and North Asia).  More information… Dengler, J. et al. (in press). GrassPlot – a database of multi-scale plant diversity in Palaearctic grasslands. Phytocoenologia. DOI: 10.1127/phyto/2018/0267. Jürgen Dengler1,2,3*, Idoia Biurrun4, Timo Conradi2, Iwona Dembicz5, Riccardo Guarino6, Alireza Naqinezhad7, Viktoria Wagner8, Steffen Boch9, Alessandro Chiarucci10, Goffredo Filibeck11, Itziar Garcia-Mijangos3, Monika Janišová12, Manuel J. Steinbauer13 & the GrassPlot Consortium Background GrassPlot started as an informal repository for the multi-scale sampling data from the annual EDGG Research Expeditions/Field Workshops from 2009 onwards. In March 2017, an international expert workshop in Bayreuth, Germany, founded a formal consortium, defined rules under which data can be contributed or used (the Bylaws) and elected a Governing Board, Custodian and Deputy Custodian. Ways to contribute  Persons who have vegetation-plot data meeting the specific requirements of GrassPlot and who agree with the GrassPlot Bylaws, are invited to contribute their data and become members of the GrassPlot Consortium. Opportunities for analyses  The steadily growing content of GrassPlot is available for publication projects led by members of the GrassPlot Consortium with co-authorship option for the others. The high-quality, fine-grain, multi-scale richness and compositional data across large ecological and biogeographic gradients allow for novel studies on patterns and drivers of alpha and beta diversity, functional and phylogenetic diversity, community assembly and niche patterns and many other aspects. Fig. 1. (a) Multi-scale sampling at the EDGG Field Workshop in Navarre, Spain; (b)  participants of the international workshop in Bayreuth. (1) Institute of Natural Resource Sciences (IUNR), Zurich Uniiversity of Applied Sciences (ZHAW), Wädenswil, Switzerland; (2) University of Bayreuth, Germany, (3) German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Germany, (4) University of the Basque Country UPV/EHU, Bilbao, Spain, (5) University of Warsaw, Warsaw, Poland, (6) University of Palermo, Palermo, Italy, (7) University of Mazandaran, Babolsar, Iran, (8) University of Alberta, Edmonton, Canada; (9) WSL, Birmensdorf, Switzerland; (10) University of Bologna, Italy, (11) University of Tuscia, Vitterbo, Italy; (12) Institute of Botany, Slovak Acacemy of Sciences, Banská Bystrica, Slovakia; (13) Friedrich-Alexander University Erlangen-Nuremberg (FAU), Germany; *juergen.dengler@zhaw.ch  Fig. 3. Illustration how ranking of richness varies across scales. The figure shows vascular plant species richness, aggregated by regions (regional mean; inner circle: 0.01 m², middle circle: 1 m², outer circle: 100 m²). Some regions are extraordinarily rich or extraordinarily poor at all scales, while others are outstanding at only one grain size.   

GrassPlot : the database of multi-scale plant diversity in Palaearctic grasslands

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https://digitalcollection.zhaw.ch/bitstream/11475/5813/1/Macroecology_2018_Dengler_et_al_GrassPlot_v.02.pdf

GrassPlot : the database of multi-scale plant diversity in Palaearctic grasslands

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