Zoek medewerkers/organisaties prof.dr.ir. D Kleijn
Naamprof.dr.ir. D Kleijn

OmschrijvingHoogleraar/Leerstoelhouder Plantenecologie en Natuurbeheer
OrganisatieDepartement Omgevingswetenschappen
OrganisatieeenheidPlantenecologie en Natuurbeheer
Telefoon+31 317 485 807
Telefoon secretariaat+31 317 483 174
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BezoekadresDroevendaalsesteeg 3a
PostadresPostbus 47
Reguliere werkdagen
Ma Di Wo Do Vr
  • Consultatiecommissie POP3 Noord-Brabant - Provincie Noord-Brabant
    nov 2021 - okt 2026

  • Bestuurslid Stichting Biodiversiteitsmonitor - Stichting Biodiversiteitsmonitor
    dec 2019 - dec 2023



Nature is dynamic. Ecosystems change constantly and species are continuously being exposed to altering environmental conditions that may result in population decline or increase. However, currently the activities of mankind drive the decline of a disproportionate number of species. My main drive is to understand the causes of these declines and find conservation strategies that maintain sustainable population sizes and diverse ecosystems.


Because most of the European countryside is farmed in one way or another, the central theme of my research is best described as biodiversity and nature conservation in agricultural habitats. I aim to do this through applied ‘cause-effects’ studies (e.g. evaluating the effectiveness of agri-environment schemes) as well as more fundamental studies that examine underlying mechanisms and processes. This question-driven approach has resulted in the use of a wide range of different approaches (molecular studies, physiological studies, laboratory experiments, garden experiments, large-scale descriptive studies, biogeochemical studies, palaeo-ecological studies, behavioural studies) on plants, invertebrates and/or birds.


Lately my research has focused on the pros and cons of using ecosystem services as the justification for biodiversity conservation. On one hand I’m exploring whether we can internalize biodiversity conservation on farms by quantifying the benefits of ecosystem services for farmers, with the ultimate goal being that farmers start enhancing (functional) biodiversity because this benefits them economically. On the other hand I’m examining what proportion of species is covered by the ecosystem services conservation paradigm (i.e. what part of biodiversity is functionally important) and what this means for the design of cost-effective conservation strategies.


I have come to realize that effective conservation is just as much about people as it is about wild species of plants and animals. I’m therefore investing more and more time in trying to transfer my fascination for the beauty of nature to the general public.

Sociale media
  David Kleijn op Twitter



Ongoing projects

  • Safeguarding European wild pollinators (Safeguard project; WP4 lead); https://www.safeguard.biozentrum.uni-wuerzburg.de/)

  • SHOWCASing synergies between agriculture, biodiversity and Ecosystem services to help farmers capitalising on native biodiversity (Showcase project; coordinator; https://showcase-project.eu/)

  • Bodem als basis – onderzoek naar inzet van bermmaaisel als bodemverbeteraar in zandige akkers in Noord-Brabant

  • Open Library of Pollinator Biodiversity and Ecosystem Services Scenarios (Observe project; WP1 lead)

  • The relative importance of wild pollinators as an agricultural input in seed production – Dutch Science Foundation (2015-2019)


Finished projects

  • STEP - Status and Trends of European Pollinators - FP7 EU project (2010-2015; URL:http://www.step-project.net/) – Work Package Leader
  • EASY - Evaluating current European agri-environment schemes to quantify and improve nature conservation efforts in agricultural landscapes. FP5 EU-project EASY (2002–2006) – Coordinator.
  • Super-B - Sustainable Pollination in Europe. EU Cost action (2014-2018 ; URL: http://www.superb-project.eu/) – Working Group leader
  • LIBERATION - LInking farmland Biodiversity to Ecosystem seRvices for effective ecological intensification. FP7 EU project (2013-2017; URL: http://www.fp7liberation.eu/) - Coordinator
  • ECODEAL - Enhancing biodiversity-based ecosystem services to crops through optimized densities of green infrastructure in agricultural landscapes. BiodivERsA/FACCE-JPI Network: (2015-2017; URL: http://www.cec.lu.se/research/ecodeal) – Working Group Leader.
  • MULTAGRI - Rural development through governance of multifunctional agricultural land-use. RURAGRI ERA-NET - EU/FP7. (2014-2017; URL: http://www.cec.lu.se/research/multagri).
  • Linking resource availability to pollinator diversity and pollination services in agricultural landscapes - Dutch Science Foundation (2012-2015).

  • PEN-10503 - Ecology I
  • PEN-22303 - Ecology of Communities, Ecosystems and Landscapes: Field Excursions
  • PEN-30306 - Plant, Vegetation and Systems Ecology
  • PEN-50401 - Capita selecta Plant Ecology and Nature Conservation
  • PEN-50402 - Capita Selecta Plant Ecology and Nature Conservation
  • PEN-50403 - Capita selecta Plant Ecology and Nature Conservation
  • PEN-50404 - Capita selecta Plant Ecology and Nature Conservation
  • PEN-50405 - Capita selecta Plant Ecology and Nature Conservation
  • PEN-50406 - Capita selecta Plant Ecology and Nature Conservation
  • PEN-79224 - MSc Research Practice Plant Ecology and Nature Conservation
  • PEN-79324 - MSc Research Practice Plant Ecology and Nature Conservation
  • PEN-80424 - MSc Thesis Plant Ecology and Nature Conservation
  • PEN-81318 - BSc Thesis Forest and Nature Conservation (Double Degree SLU)
  • YBI-70324 - BSc Internship Biology
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