Abstract
Conservation science and conservation action are assumed to have identical goals. However, in reality, there is a strong divide between research and practical conservation that has been mostly discussed with respect to the ‘knowing-doing gap’, i.e. the results from science are not being translated into practical management. In this commentary, we argue that there is not one but there are at least three different types of gaps impeding a positive impact of science on conservation: (1) the knowing-doing gap; (2) the thematic gap that exists between the topics addressed by conservation science and the problems faced in conservation; and (3) the disciplinary gap, i.e. the lack of communication and cooperation between different fields of science, e.g. between fundamental biodiversity research and conservation research. These different gaps have different origins and require different means to be overcome. In a survey, scientists from the field of conservation research (all contributing to this special issue on European grasslands) assessed the importance of these three gaps. They highlight that the disciplinary gap is just as relevant as the knowing-doing gap, while the importance of the thematic gap between practical conservation needs and theoretical conservation science is, in the view of the authors, of less importance. Also, the respondents identified the complexity of academic content in scientific publications as an additional cause for knowing-doing gaps. Based on our survey and various other studies analysing these gaps, we suggest two ways to overcome the gaps: if you consider yourself to be a conservation scientist make sure to address questions of relevance for conservation issues, if you are a scientist interested in fundamental issues, be open to mutual interaction and translation of scientific results with conservation scientists. The knowing-doing gap could be addressed by more readily translating the theoretical findings into practical advice. “Conservation Journals” could, for instance, require a second “Conservation Management Abstract”, which has to be published open-access, and back-to-back with the conventional abstract.
Conservation science versus conservation management?
This special issue on biodiversity of European grasslands (see Habel et al. 2013) combines contributions both on fundamental biodiversity research and biodiversity conservation. These papers can be classified into four main topics: (1) effects of abiotic and biotic factors on species assemblages and richness (Horváth et al. 2013; Moeslund et al. 2013; Morris et al. 2013; Weiss et al. 2013; Zelnik and Carni 2013); (2) natural and anthropogenically induced gradients along temporal and spatial scales (Albrecht and Haider 2013; Bieringer et al. 2013; Filz et al. 2013; Pipenbaher et al. 2013); (3) the effect of man-made modifications of habitats on species composition, in particular eutrophication and abandonment versus habitat restoration (Bonanomi et al. 2013; Lauterbach et al. 2013; Rácz et al. 2013; Weiss et al. 2013; Wiezik et al. 2013); and (4) genetics and physiology within single species or species groups (Habel et al. 2013; Pluess 2013; Wellstein et al. 2013). While these papers touch on several important aspects of conservation science, they mostly focus on single model taxa and/or are mostly restricted to investigating relationships among only a few factors. Hence, they generally do not capture the complexity of ecosystems and the interaction between conservation goals and human needs.
Such a simplified approach is, however, now common practice in conservation science, as also exemplified by the majority of conservation studies that analyse effects of environmental stress on individual fitness and species’ viability (Hoelzel 1999; Lens et al. 2002; Aguilar et al. 2004; Zachos et al. 2007; Habel et al. 2012). The question arises whether this reductionist approach to the science is the underlying reason for the divide between “scientific publications” and “public action” (Arlettaz et al. 2010). Indeed, the discipline of conservation biology has been accused of failing to produce results of practical use and applicable in reality (Balmford and Cowling 2006; Knight et al. 2006). Despite this, quantity of publications in the conservation biology and restoration ecology is steadily growing (Fazey et al. 2005; Arlettaz and Mathevet 2010), yet research continues to contribute only marginally to concrete management of species and ecosystems (Pullin et al. 2004; Hulme 2011). Here we argue that it is not the reductionist approach per se that limits the impact of science on conservation. Rather, we identify three different types of gaps each of which contributes to the existing divide between conservation science and action.
The three gaps
A survey of publications in Conservation Biology between issues 1 and 12 (1986–1998) showed that of the 223 respondents, 78 % (n = 173) had included management recommendations, but of these, only 54 % (n = 164) believed their recommendations were being used (Flaspohler et al. 2000). This is the well-known knowing-doing gap, i.e. the lack of translation from theoretical knowledge into practical action. A survey of research papers dealing with conservation assessments published between 1998 and 2002 still indicated that less than one-third (n = 29, total n = 88) of conservation assessments led to any implementation (Knight et al. 2008). Two-thirds of these studies, however, did not deliver direct conservation recommendations or did not translate the findings into suitable recommendations. Because conservation advice that arose from a scientific study is not implemented in practice, the knowing-doing gap is primarily a communication gap. It is related to scientists preferring to publish in peer-reviewed international journals and refraining from publishing in the more easily accessible and interpretable non-peer-reviewed journals as these contribute little of bibliometric value (i.e. citations, impact factors) to their scientific career—but would contribute to conversion from theory into practice (Prendergast et al. 1999). Conservation biologists are mostly employed by universities and therefore experience the general pressures of academics (teaching, tenure, publishing, grant acquisition). Conservation practitioners, on the other hand, are a much broader group that includes non-profit organizations, land managers, politicians, private landowners, etc.
In contrast to the knowing-doing gap, the thematic gap highlights the discrepancy between the topics which are of interest for the respective groups, scientists or practitioners, which have been argued repeatedly to be different (e.g. Pullin et al. 2009). The thematic gap is highlighted by a recent survey asking practitioners to rate the importance of scientific findings for conservation activities. They identified that questions related to economic, societal, and stakeholder conflicts are more important than conceptual questions often addressed in research papers (Braunisch et al. 2012). This thematic gap between conservation needs and conservation research is fundamentally different from the knowing-doing gap, as research on a question not relevant for conservation cannot generate knowledge that is applicable to conservation. Hence it cannot contribute to overcoming the “not-knowing but doing” problem in conservation. For example, Linklater (2003) reported an increasing number of scientific publications about the highly endangered and declining rhinoceros species. But these studies predominantly comprised ex situ laboratory-based conservation approaches, while conservation action plans created by practitioners focused to safeguard the species in situ. This example (as many others) highlights that conservation and land management organizations often develop their own conservation assessment techniques independently of published research (Prendergast et al. 1999; Hopkinson et al. 2000).
The third gap is located between different disciplines of science, thus it is a disciplinary gap. One particularly booming field of biodiversity research deals with the analysis of potential consequences of biodiversity loss for ecosystem processes such as seed dispersal or element cycling (e.g. Hooper et al. 2005). While in this functional biodiversity research species loss serves as the starting point, the questions addressed are usually generic, e.g. related to investigate whether complex ecosystems generally function differently from more simple ones. To answer such questions, researchers often apply strictly controlled experiments, either in the field or in contained laboratory microcosms, e.g. by artificially creating (plant) communities with different levels of diversity and/or structural complexity (e.g. Schmid and Hector 2004). Biodiversity experiments provide innovative research platforms that may generate hundreds of papers, such as in the case of the Jena Experiment (Roscher et al. 2004). A second recent approach in biodiversity research is that of comparative studies in real landscapes, with plots that are managed differently. Land use is a main driver of biodiversity loss and comparing the effects of land use on biodiversity and ecosystem processes, such as in the Biodiversity Exploratories (Fischer et al. 2010), again provides a platform for interdisciplinary research that potentially yields outcomes relevant for conservation. However, there appears to be a disciplinary gap between fundamental biodiversity science and conservation science that does not just include differences in the topics being addressed, but apparently there are also different subsets of scientists addressing the different topics. While scientists conducting functional biodiversity research often argue that their work is relevant to conservation (Hector et al. 2001), this is regularly questioned (Srivastava and Vellend 2005). As a consequence, the importance of functional biodiversity research for conservation is often reduced to providing a general argument for why conservation is necessary for humankind, such as in the Millennium Ecosystem Assessment that classified the ecosystem services that are potentially adversely affected by a loss in biodiversity (Millennium Ecosystem Assessment 2005a, b). Another example is given by population genetics where fundamental research often focuses on the genetics of natural indigenous grazers, while applied conservation research focuses, for example, on the mechanistic effect of grazing by domestic animals on plant recovery in nature reserves. A link between these types of research is often lacking. All fields have their right to be pursued, and transforming fundamental biodiversity research into applied conservation biology would be sending the wrong signal. Scientists doing fundamental biodiversity research, however, should not pretend that their research has direct relevance for conservation practice. On the other hand, conservation scientists do not need to emulate fundamental biodiversity research when their findings are relevant to conservation practice. While there are notable exceptions in which scientists appear to make contribution to both fields, as is the case of the scientists involved in the advisory board of the Swiss biodiversity forum (www.biodiversity.ch), overall the disciplinary gap appears to be large.
How authors of the special issue perceive the gaps
In order to assess and highlight the importance of the three different types of gaps we recognize, and to better assess the way forward, we asked all authors who contributed to this special issue on European grasslands to complete a questionnaire. We asked them for their opinion on the relevance of their contribution to biodiversity protection, and their perception on the causes underlying the divide between research and conservation action. The returning answers were analysed anonymously. In Fig. 1 we present a summary of the answers as box-plots showing the median, 25 and 75 percentiles as a box, with whiskers that extend to either the maximum or the 1.5 times interquartile range of the data (whichever is smaller). Points beyond the whiskers are drawn individually. The graph was plotted using the programme R (version 2.15.1; R Development Core Team 2010).
Only about half of the contacted scientists returned a completed questionnaire. In addition to the usual work overload that characterizes many scientists, this might also be a signal that bridging the discrepancy between science and action is not seen as a pressing need. The first two questions on the relevance for conservation management of the respective contribution published in this special issue indicate the gap between theory and practice: while most of the contributors classify their article as being of high relevance for conservation (i.e. they consider that there is no thematic gap), the provision of management advice varies greatly among articles (Fig. 1). When asking about potential collaboration with conservation practitioners, the median answer was “7” on a scale from 10 (“collaborating always”) to 0 (“collaborating never”) with a broad scatter in responses. We therefore see the clear divide between the general aim of involving stakeholders, but limited implementation as the respondents indicated that only 30 % of their projects were designed and only 20 % of their publications were written together with stakeholders from the practical conservation management community (Fig. 1). The lack of communication between fundamental biodiversity research and applied conservation research (disciplinary gap) was classified as having a similar relevance as the knowing-doing gap, while the thematic gap was, in the opinion of the scientists asked, of little importance. This may be an indication that scientists consider the topic they work on is of relevance for conservation, or at least should be of relevance, despite the general opinion of practitioners that there is such a gap. Finally, we asked for potential underlying reasons causing this strong divide between science and action. While prejudices between scientists and practitioners are assessed to have only limited impact, the discrepancy between theoretical, highly complex and simplified research set-ups and the way how scientific results are presented in publications, are evaluated as being a major problem (Fig. 1).
Each interviewed person also had the opportunity to give personal advice on how the gaps outlined above can be closed. Many of them commented on the lack in communication between scientists and practitioners, and about inadequate data-presentation in the papers. A high proportion of scientists pointed out that the knowing-doing gap could easily be bridged by modifying the way in which the results of a study are presented. Some of those interviewed suggested organizing workshops and seminars on a local scale to consolidate scientists and practitioners. Finally, some of the respondents pointed out that universities, research institutions, and funding agencies that support or host biodiversity projects, should not only use bibliometric indicators when assessing the quality of the research output.
Why and how to bridge the gaps
When it comes to evaluating the success of field actions, ecosystem protection and biodiversity conservation lags behind many other policy fields (e.g. poverty reduction, minimal rehabilitation, disease control) (cf. Millennium Ecosystem Assessment, MEA 2005a, b). However, if we want to ensure that the limited (financial) resources devoted to conservation make a practical difference, we should test conservation policies with equal thoroughness and state-of-the-art methods as we do in conservation science. Hereby, approaches from various fields of science could help to improve the efficiency in conservation actions. Therefore, bridging the gaps between both fields would be synergistic. Based on the results from the questionnaires we make the following suggestions to bridge the three gaps identified above.
Stimulate mutual interaction and translation (overcoming the knowing-doing gap)
There is a wealth of literature on expert elicitation, decision theory, and risk analysis—all of which can be important aspects of conservation—but technical terminology can be especially impenetrable to practitioners. In turn, field practitioners should document their field experiences and experiments in a manner that can meaningfully inform conservation scientists. To address this point, we asked all contributors to this special issue on European grasslands to (1) translate their key-findings on short-term activities for conservation practitioners, (2) to separate long-term effects from short-term activities, and (3) to evaluate how the impact of the respective action (conservation efficiency) could be translated into the conservation practitioner’s language (see Table 1 in Appendix). Several authors commented in their questionnaire that a “Conservation Management Abstract”, a summary in which theoretical findings are being translated in specific conservation management advice, would be an important step in overcoming the “knowing-doing” gap. We therefore suggest that journals publishing studies relevant for the field of conservation should consider requiring a practical abstract that has to be open-access and published at the beginning of each article (e.g. just after the conventional abstract).
Make sure to address questions of relevance to conservation (overcoming the thematic gap)
Whereas conservation scientists are aiming at academic novelty and broad applicability of their research results, the conservation practitioners may be more interested in well-tested decision support tools and a local focus (although this is not always the case, see Shaw et al. 2010). Nevertheless, if conservation scientists have the aim and claim that they do research relevant for conservation, they need to bridge the thematic gap. To ensure the right questions are addressed and proper methodology is used, practitioners have to be involved (not only formally) early in the process in conservation research. Undertaking research that is not only innovative but useful is a goal of the Society for Conservation Biology (see Meffe et al. 2006).
Stimulate discussion within science (overcoming the disciplinary gap)
As fundamental research is curiosity-driven, it is clear that not all biodiversity researchers will or should be working on conservation-related questions. Nevertheless, cooperation between fundamental biodiversity researchers and conservation scientists is likely to be fruitful, with mutual benefits. We suggest that rather than writing papers about what the ‘other side’ should learn from the own approach, joint workshops on particular topics are a more promising means to overcoming disciplinary boundaries and to stimulate joint research activities. This would involve organizing workshops where not only people that have worked on directly conservation-related topics are involved, but also ones interested in pure science. For example, as many biodiversity experiments have been conducted in grasslands, joint workshops on grassland ecology and conservation would be of mutual benefit.
In line with our three guidelines, Sunderland et al. (2009) identified five key issues which could stimulate information exchange between participants from both fields: (1) access to scientific literature; (2) levels of scientific literacy; (3) lack of interdisciplinarity; (4) questions of relevance; and (5) lack of sharing of conservation-related experiences. Chapron and Arlettaz (2008), in turn, suggest implementing an impact factor based on an estimation of how much worse the conservation status of an endangered species or ecosystem might be in the absence of the particular research.
Practical implementation should be regarded as an integral part of scientific conservation activity as it constitutes the ultimate assessment of the effectiveness of the recommended conservation guidelines; it should therefore be rewarded as such (cf. Arlettaz et al. 2010). A possible approach towards a better synergy between research and action is the elaboration of citizen-science projects (Salafsky et al. 2001, 2002). Such citizen-science approaches not only increase awareness of biodiversity research, but also bring together conservation science and management as various stakeholders (scientists, conservation management organisations, and citizens) work together. Volunteers (mostly citizens) benefit from educational input while the scientific project profits from large data sets being assembled (see Silvertown 2009). This approach is exemplified by the European butterfly monitoring scheme (van Swaay et al. 2008), established over large parts of Europe. Citizens were engaged for butterfly counting, and by doing so they were able to document the recent status of (endangered) species and allowed to infer population trends. Another example of a good integration of research and practice is the non-governmental organisation Conservation International, and the governmental European Forest Institute. There are also peer-reviewed journals, such as the Journal of Conservation Evidence (run on a site called ConservationEvidence.com), that successfully translates scientific results into practitioner advice. This journal also publishes reports from practitioners on the outcomes of their interventions—successful or otherwise; data from these reports can then be fed into systematic reviews. However, this journal is not included in the Web of Knowledge (i.e. it has no formal impact factor) making it less attractive for scientists as a suitable publication outlet.
We hope that this contribution will encourage scientists to develop a practice-oriented research agenda and a basis for developing conjoint activities with the intention to use synergies from both, conservation science and conservation management. Scientists from fundamental biodiversity should not camouflage their research as conservation evidence, but conservation biologists should translate their findings to make the knowledge generated accessible to practitioners.
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Acknowledgments
We thank all participants of this survey for informing us by their opinion. We are grateful to the Editor-in-Chief for helpful comments on a draft version of this article. We also thank Camilla Wellstein (Bayreuth, Germany) and Péter Török (Debrecen, Hungary) for their valuable comments on a draft version of this contribution.
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Habel, J.C., Gossner, M.M., Meyer, S.T. et al. Mind the gaps when using science to address conservation concerns. Biodivers Conserv 22, 2413–2427 (2013). https://doi.org/10.1007/s10531-013-0536-y
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DOI: https://doi.org/10.1007/s10531-013-0536-y