1-20 of 31 Search Results for

Instream habitat

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article
Aquatic Ecosystem Health & Management (1998) 1 (2): 143–157.
Published: 01 January 1998
... Geomorphology Stream ecology Instream habitat References Allen , K.R. 1951 . The Horokiwi Stream: a study of a trout population. New Zealand Marine Department of Fisheries, Bulletin 10 231 – 231 . Brakensiek , D.L. , Osborne , H.B. and Rawls , W.J. 1979 . Field...
Journal Article
Aquatic Ecosystem Health & Management (2004) 7 (1): 85–99.
Published: 01 January 2004
.... Macro-invertebrate and fish assemblages of the Choctawhatchee-Pea watershed were similar in their response to environmental conditions with water chemistry having the greatest relationship to macro-invertebrate and fish community structure followed by instream habitat and land use. Sampling took place...
Journal Article
Aquatic Ecosystem Health & Management (1998) 1 (2): 125–141.
Published: 01 January 1998
...K. Rowntree; R. Wadeson Abstract As South African ecologists become increasingly aware of the possible long term impacts of river regulation schemes on channel structure and associated aquatic habitats, fluvial geomorphologists are being called upon to assist in recommending instream flow...
Journal Article
Aquatic Ecosystem Health & Management (1998) 1 (2): 109–124.
Published: 01 January 1998
... Incremental Methodology and initial development of alternative instream flow methodologies for South Africa , Water Research Commission report 295/1/94 Pretoria Kleynhans , C.J. 1996 . A qualitative procedure for the assessment of the habitat integrity status of the Luvuvhu River (Limpopo...
Journal Article
Aquatic Ecosystem Health & Management (2001) 4 (4): 357–365.
Published: 01 December 2001
... primary objective of this paper. Streams in Japan have widely received severe habitat alterations through construction of artificial instream structures as well as modification of riparian vegetations. As a result, streamdwelling fishes that require natural flow regimes, substrates, and riparian...
Journal Article
Aquatic Ecosystem Health & Management (1998) 1 (1): 25–35.
Published: 01 January 1998
...C.L. Padmore Abstract This paper examines the practical use of physical biotopes as the basic component of instream physical habitat. These are identified by dominant flow type as a particular combination of substrate and hydraulic parameters will have a characteristic surface flow type. Eleven...
Journal Article
Aquatic Ecosystem Health & Management (2018) 21 (3): 342–351.
Published: 03 July 2018
...M. Choy; D. Lawrie; C. B. Edge Instream barriers (e.g. dams, weirs and road crossings) fragment aquatic habitat and prevent the upstream movement of fish, impairing the ability of fishes to complete critical life stages, access critical habitat and for dispersal among local populations. Mitigation...
Journal Article
Aquatic Ecosystem Health & Management (2008) 11 (4): 465–473.
Published: 09 December 2008
...Gemma L. Harvey; Nicholas J. Clifford The assessment and appraisal of river habitat quality for purposes of legislative compliance requires a sound understanding of the interactions between the hydrogeomorphological and ecological components of the instream environment. Reconciliation of...
Journal Article
Aquatic Ecosystem Health & Management (2001) 4 (4): 401–412.
Published: 01 December 2001
... maturity) (Pont et al., 1995). The physical habitat requirements are also well known for the majority of species. These have been developed specifically as instream habitat models to be coupled in habitat modelling approaches (e.g. similar to Instream Flow Incremental Methodology, Bovee, 1982; Scruton et...
Journal Article
Aquatic Ecosystem Health & Management (2001) 4 (4): 423–436.
Published: 01 December 2001
..., and Laurentian, with freshwater research activities. Current freshwater research in Newfoundland and Labrador is concentrated on instream effects of flow changes in rivers and streams resulting primarily from dam construction (Scruton, 1997). Some studies the impact on fry and parr of instream habitat...
Journal Article
Aquatic Ecosystem Health & Management (2001) 4 (4): 343–355.
Published: 01 December 2001
.... Thus there are issues of both habitat integrity and habitat continuity. Residential habitat preferences of some indigenous species have been examined, largely within a context of instream flow incremental flow methodology (Jowett, 1997, 2000). These habitat suitability criteria relate pri- marily to...
Journal Article
Aquatic Ecosystem Health & Management (2001) 4 (4): 413–421.
Published: 01 December 2001
.... Ambio 27 (7), 535-538 . Huusko, A., Yrjänä, T., 1997. Effects of instream enhancement structures on brown trout, Salmo trutta L., habitat availability in a channelized boreal river: A PHABSIM approach. Fish. Manage. Ecol. 4(6), 453-466 . Ikonen, E., Pruuki, V., 1990. Salmon stocks and salmon fisheries...
Journal Article
Aquatic Ecosystem Health & Management (2001) 4 (4): 367–380.
Published: 01 December 2001
..., data on habitat type, substratum, channel dimension, instream cover were collected from the Himalayan hill stream Ladhiya, and arranged on a GIS platform (Srivastava et al., 2001). Presently the above studies have been expanded to include remote sensing images mainly to document changes in riparian...
Journal Article
Aquatic Ecosystem Health & Management (2008) 11 (3): 272–288.
Published: 25 August 2008
... 9.3 percent of global inland fish production. India's natural capital of fish habitat resource has been eroded as reflected in loss of biodiversity and reduced fish landings. Studies on the ecology, environment and fisheries of five major river systems, in addition to reservoirs and flood plain lake...
Journal Article
Aquatic Ecosystem Health & Management (2007) 10 (2): 140–152.
Published: 08 June 2007
... and far-reaching impacts on aquatic life within the Orinoco basin. Deforestation in the Andean piedmont results in erosion and siltation of streams and rivers, greater solar radiation and stream desiccation, and alteration of instream habitats and food webs. Deforestation has the same effects in the...
Journal Article
Aquatic Ecosystem Health & Management (2006) 9 (4): 391–405.
Published: 01 December 2006
... connectivity involved in providing what migratory species require to sustain and conserve their populations ( McDowall, 1993 ; Joy and Death, 2002 ). Residential habitat preferences for some of the indigenous species have been examined, largely within the context of the instream flow incremental...
Journal Article
Aquatic Ecosystem Health & Management (2008) 11 (2): 230–242.
Published: 06 June 2008
... Carr , G. J. 1998 . Determining the influence of habitat and chemical factors on instream biotic integrity for a Southern Ohio watershed . Journal of Aquatic Ecosystem Stress and Recovery , 6 : 91 – 110 . Ehrhart , B. J. , Shannon , R. D. and Jarrett , A. R. 2002...
Journal Article
Aquatic Ecosystem Health & Management (2009) 12 (1): 11–22.
Published: 09 March 2009
... ( Hubbs and Lagler, 1964 ) and dam construction that limited instream seasonal migration ( Nuhfer, 1992 ). Attempts to reintroduce Arctic grayling in Michigan have failed ( Nuhfer, 1992 ). The eastern sand darter formerly occurred in nearshore zones and tributaries of southern Lake Huron but may be...
Journal Article
Aquatic Ecosystem Health & Management (2018) 21 (3): 245–254.
Published: 03 July 2018
.... coli densities observed respectively in sewer discharges, instream, and in the Inner Harbour. Two indices are used to evaluate the response of water quality in the Inner Harbour – fraction of the surface area achieving Blue Flag status, and portion of the swimming season (June to August) above...
Includes: Supplementary data
Journal Article
Aquatic Ecosystem Health & Management (2003) 6 (1): 5–18.
Published: 01 January 2003
... not only because of its unique features, status and niche but also because it is the only living representative of a significant lineage of platypus-like animals with a 60 million year fossil history. As a result of its specific habitat requirements it is affected by many of the widely recognised...