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Global Biodiversity Change Indicators Model-Based Integration of Remote-Sensing & in Situ Observations That Enables Dynamic Updates and Transparency at Low Cost BON

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Global Biodiversity Change Indicators Model-Based Integration of Remote-Sensing & in Situ Observations That Enables Dynamic Updates and Transparency at Low Cost BON BON Global Biodiversity Change Indicators Model-based integration of remote-sensing & in situ observations that enables dynamic updates and transparency at low cost BON Published by the GEO BON Secretariat. ISBN 978-3-9817938-1-9 doi: 10.978.39817938/19 Copyright © 2015, GEO BON Secretariat Citation GEO BON (2015) Global Biodiversity Change Indicators. Version 1.2. Group on Earth Observations Biodiversity Observation Network Secretariat. Leipzig, 20 pages. Layout & Design Christian Langer / GEO BON Photo Design Cover, page 3, page 17: Cesar Gutierrez Photo Credits Cover: Santiago Ron / Ecuador Page 3: Robert Mansheim / USFWS Page 17: Emmanuel Keller / tambako.ch For further information, please contact: Dr. Laetitia Navarro Dr. Néstor Fernández Executive Secretary Strategy for the Development of Essential Group On Earth Observations Biodiversity Variables Biodiversity Observation Network Group On Earth Observations Biodiversity Observation Network German Centre for Integrative Biodiversity Research German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig (iDiv) Halle-Jena-Leipzig Deutscher Platz 5a Deutscher Platz 5a 04103 Leipzig 04103 Leipzig GERMANY GERMANY Phone | +49 341 9733141 Phone | +49 341 9733229 Email | [email protected] Email | [email protected] Web | www.geobon.org Web | www.geobon.org Global Biodiversity Change Indicators Towards a new generation of biodiversity indicators GEO BON with its scientic partners One key advantage of these new indicators is that introduces a new generation of global they cover the entire terrestrial surface of the planet at 1km grid resolution. By operating at this spatial indicators integrating biodiversity resolution the indicators can eectively account for observations, remote sensing data, and important relationships between species distribu- models for assessing progress towards tions and patterns of habitat loss and protection that the CBD Strategic Plan 2011-2020 and play out at scales much ner than those typically Aichi Targets 5, 11, 12, 14, 15 and 19. addressed by previous global indicators. This ne resolution of analysis then underpins reporting of the indicators at any desired level of spatial aggregation, A GEO BON (the Group on Earth Observations including the national level. Such automated national Biodiversity Observation Network) consortium reporting is being integrated into the BON-in-a-Box involving researchers and organizations around the toolkit of GEO BON. world has developed a novel set of global indicators to address important gaps in our understanding of Developing robust global indicators is a component biodiversity change across scales, from national to of a larger GEO BON eort to improve our under- global. These indicators are embedded in open standing of the biotic response to global change, by online analysis platforms following GEO data sharing integrating previously disconnected dimensions of principles and have the long-term commitment of biodiversity and also by connecting local trends to established research institutions. regional and global trends, oering tests of the predictive capacity of models in response to global The new set of indicators is characterized by the change, a critical step in making ecological forecast rigorous use of open access large global datasets, more rigorous. state of the art remote-sensing based information, model-based integration of multiple data sources Prof. Henrique M. Pereira and types, including in situ (ground based) observa- GEO BON Chair tions, and online infrastructure enabling inexpensive and dynamic updates, with full transparency. This has become possible through direct collaboration with technical and research support partners such as Google and NASA, the development of a dedicated infrastructure such as Map of Life, and the engage- ment of the larger GEO BON community. The following pages describe ve new indicators for assessing and reporting progress against Aichi Targets 5, 11, 12, 14, 15 and 19 and are derived by integrating data from three Essential Biodiversity Variables: species distributions, taxonomic diversity and ecosystem extent. By integrating the comple- mentary strengths of dierent types of data, the resulting indicators oer some important benets. For example, they help to ll geographical and taxonomic gaps in the coverage of measures based purely on in situ biological data and are able to translate measures based purely on remote sensing, for example of habitat loss and degradation, into biologically-scaled indicators of likely impacts on biodiversity. 3 Global Biodiversity Change Indicators Species Habitat Indices The Species Habitat Indices (SHIs) quantify changes in the suitable habitats of single species to provide aggregate estimates of potential population losses and extinction risk increases in a region or worldwide. Purpose of the indices Coverage To provide annually updated biodiversity change The indices use environmental and species data metrics that transparently build on single species addressing all terrestrial areas of the world at 1 km data and that can be reported regionally and globally. spatial resolution. They can be aggregated at spatial The indices address trends in the sizes of species levels ranging from 1 km to small regions, countries, potential distributions and populations for habitat biomes, and the whole planet. The indices build on –dependent and threatened species. land cover information available annually from The Species Habitat Indices use remote sensing data, Landsat and MODIS satellites since 2001 onwards. local observations, and models in a web-based With continuation of these remote sensing products, informatics infrastructure. They are designed to this enables annual update of indices, including measure and report on progress in relation to CBD reporting Aichi Target 5 and 12 achievements, for ten Aichi Targets 5 and 12. data points from 2011 to 2020. CBD Aichi Target 5 Habitat loss halved or reduced CBD Aichi Target 12 Reducing risk of extinction Example of a species-level trend informing the SHIs. Remotely sensed land-cover change indicates signicant decrease in forest habitat suitable for the Bornean Wren-warbler in its range in Southeast Asia. The indices are derived from these single-species estimates and aggregated for all species occurring in a reporting region or country. 4 Global Biodiversity Change Indicators Methods Indicators addressing Aichi Targets 5 and 12 are Modications in the area and fragmentation of typically constrained in their adequate geographic individual species’ remaining habitat are quantied representation, the level of disaggregation they annually and changes in extinction risk are estimated. allow, their temporal resolution, and their scientic The species-level metrics are then aggregated and underpinning and transparency. The Species Habitat reported over user-dened regions, such as countries. Indices are part of a new generation of indicators that Separate indices can be calculated for species address these limitations by utilizing ongoing, dependent on certain habitats types (e.g. natural spatially and temporally highly resolved remote forests), and for threatened species. The indices can sensing at near global-extent, together with biodiver- also be subset to species with particularly rapid sity observations, and adequate and transparent recent habitat changes, and they can account for modeling frameworks. countries’ stewardship of species (their portion of a The indices build on detailed, remote-sensing species’ global range). informed maps of suitable habitat for single species. All underlying data and metrics are available through Maps are modeled using literature- and expert-based a dedicated dashboard in the Map of Life web data on habitat restrictions and published land-cover interface that has been developed with Google Earth products from MODIS and Landsat satellites available Engine as technology partner. Currently, the Species annually at 30 m and 1 km resolution. These detailed Habitat Indices are based on > 20,000 species of maps of habitat suitable for a species are validated terrestrial vertebrate and invertebrate, and plant with eld data on species locations from surveys and species, and validated with > 300 million location citizen science. records, a growing number. Essential Biodiversity Variables: Species populations class Species distribution Ecosystem structure class Ecosystem extent and fragmentation Modeled prediction of 1 km pixels with habitat suitable for the Bornean Wren-warbler. Where data exists (blue circles), the accuracy of this estimate is validated with recent observations. The loss (or gain) of suitable pixels is then assessed over time. This information is accessible and updated for all species through this online dashboard developed in partnership with Google. 5 Global Biodiversity Change Indicators Biodiversity Habitat Index The Biodiversity Habitat Index uses biologically-scaled environmental mapping and modelling to estimate impacts of habitat loss, degradation and fragmentation on reten- tion of terrestrial biodiversity globally, from remotely-sensed forest change and land-cover change datasets. Purpose of the index Coverage To provide a rigorous, yet cost-eective, approach to The approach uses data covering the entire terrestrial estimating impacts of habitat loss, degradation and area of all countries of the world, at 1km grid resolu- fragmentation on biodiversity globally, by linking tion. This allows the Biodiversity Habitat Index to be remotely-sensed
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