Basic Principles and Ecological Consequences of Altered Flow Regimes for Aquatic Biodiversity
@article{Bunn2002BasicPA, title={Basic Principles and Ecological Consequences of Altered Flow Regimes for Aquatic Biodiversity}, author={Stuart E. Bunn and Angela H. Arthington}, journal={Environmental Management}, year={2002}, volume={30}, pages={492-507} }
The flow regime is regarded by many aquatic ecologists to be the key driver of river and floodplain wetland ecosystems. We have focused this literature review around four key principles to highlight the important mechanisms that link hydrology and aquatic biodiversity and to illustrate the consequent impacts of altered flow regimes: Firstly, flow is a major determinant of physical habitat in streams, which in turn is a major determinant of biotic composition; Secondly, aquatic species have…
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References
SHOWING 1-10 OF 146 REFERENCES
Ecological connectivity in alluvial river ecosystems and its disruption by flow regulation
- Environmental Science
- 1995
The dynamic nature of alluvial floodplain rivers is a function of flow and sediment regimes interacting with the physiographic features and vegetation cover of the landscape. During seasonal…
Legitimizing Fluvial Ecosystems as Users of Water: An Overview
- Environmental ScienceEnvironmental management
- 2002
It is suggested that fluvial ecosystems are legitimate users of water and that there are basic ecological principles guiding the maintenance of long-term ecological vitality, and basic principles for maintaining the vitality of fluvials ecosystems are presented.
Basic Principles and Ecological Consequences of Changing Water Regimes: Riparian Plant Communities
- Environmental ScienceEnvironmental management
- 2002
The basic principles proposed are: the flow regime determines the successional evolution of riparian plant communities and ecological processes, and the riparian corridor serves as a pathway for redistribution of organic and inorganic material that influences plant communities along rivers.
The Role of Disturbance in Stream Ecology
- Environmental ScienceJournal of the North American Benthological Society
- 1988
We define disturbance in stream ecosystems to be: any relatively discrete event in time that is characterized by a frequency, intensity, and severity outside a predictable range, and that disrupts…
Need for Ecosystem Management of Large Rivers and Their Floodplains These phenomenally productive ecosystems produce fish and wildlife and preserve species
- Environmental Science
- 1995
The history of floodplain and flood plain management is described and the importance of large river-floodplain ecosystems and some of the consequences of altering the natural river processes, functions, and connectivity are focused on.
The habitat diversity and fish reproductive function of floodplain ecosystems
- Environmental ScienceEnvironmental Biology of Fishes
- 2004
The results demonstrate the lotic-to-lentic succession of floodplain ecosystems to be a series of non-sequential reproductive zones, with spawning conditions being reflected by the specific composition and guild structure of the YOY fish assemblages.
The role of sexual reproduction and water regime in shaping the distribution patterns of clonal emergent aquatic plants
- Environmental Science
- 1994
The reproductive characteristics of T. procerum in three lagoons in the Mediterranean south-east of South Australia were used to investigate the role of water regime in the often heterogeneous and…
Structure and ecological production of the fish taxocene of a small floodplain system
- Environmental Science
- 1983
Number of days of stream connection in the spring was not significantly correlated with fish species richness in the pools, and a significant correlation was found between species richness and the logarithm of pool area.
A perspective on dryland river ecosystems
- Environmental Science
- 1995
The ecosystem concept should be reappraised as a basic model for rivers, with regard for flow as an organizing variable. This would facilitate comparisons between the large rivers of humid climates,…
Invasion Resistance to Introduced Species by a Native Assemblage of California Stream Fishes.
- Environmental ScienceEcological applications : a publication of the Ecological Society of America
- 1993
The null models indicated that competition was not the major structuring force, so it is likely the assemblages are structured through a combination of morphological specialization, predation, and some competition.