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"Are We Meeting the Challenges
of Landscape-Scale Riverine Research?
A Review"

E. Ashley Steel et al.

	Abstract
1	Introduction
2	Drivers of large-scale riverine research
	2.1	Policy drivers
	2.2	Ecological drivers
	2.3	Technological drivers
3	Conceptual history of landscape-scale riverine research
4	Challenges to landscape riverine research
	4.1	Has new research utilized the strengths of new technologies or are we doing the same old stuff with more expensive data?
	4.2	Have we incorporated key concepts from landscape ecology to improve our understanding of how landscapes affect rivers?
	4.3	Have we been able to use landscape analyses to address management and policy needs?
5	Opportunities in landscape-scale riverine research
	5.1	Moving toward mechanism
	5.2	Spatio-temporal structure of human impacts
	5.3	Statistical opportunities
	5.4	Defining the right metrics
6	Conclusions
7	Acknowledgements
A	Appendix: Landscape perspectives of rivers
	References
	Figures
	Tables

List of Tables

Table 1:
Examples of policy and management drivers of landscape-scale approaches with region or country in parentheses (modified from Hughes et al., 2008). See Section 2.1 for descriptions of policies.

Table 2:
Principal mechanisms by which land use influences stream ecosystems (modified from Allan, 2004a).

Table 3:
Environmental variables associated with fish distribution, classified by system attribute and observational scale. Synthesis is based on 658 papers dealing with management of fish in rivers, including 27 papers that acknowledge and compare across scales (modified from Durance et al., 2006).