1-20 of 252 Search Results for

vegetation structure

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 (2011) 14 (4): 443–455.
Published: 01 October 2011
... (a measure of strength of connection to the terrestrial landscape) influences their background condition and response to anthropogenic landuse. Water quality, substrate, vegetation structure, and composition of zoobenthos, turtles, crayfish, and fish were characterized in 32 Lake Superior coastal wetlands...
FIGURES | View All (5)
Journal Article
Aquatic Ecosystem Health & Management (2006) 9 (4): 463–479.
Published: 01 December 2006
... of anthropogenic disturbance from the less-impacted upper wetland to the more-impacted lower wetland. The relative importance of surrounding land use and cover, water quality, and vegetation type in structuring macroinvertebrate communities was evaluated using correspondence analysis (CA) of biotic data...
FIGURES | View All (6)
Journal Article
Aquatic Ecosystem Health & Management (2001) 4 (4): 357–365.
Published: 01 December 2001
... is the 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 (2013) 16 (1): 40–50.
Published: 02 January 2013
... of the animal species in the vegetated habitat, suggesting that these plants contributed substantially to the functioning of the marsh ecosystem and to the benthic foodweb. Ecosystem engineering by marsh plants is likely an important driving force structuring faunal communities. The stems of marsh plants...
FIGURES
Journal Article
Aquatic Ecosystem Health & Management (1998) 1 (3-4): 353–372.
Published: 01 January 1998
... forces and their life cycles; however, the submerged macrophytes might be the principal group in these shallow aquatic ecosystems. The mangrove vegetation experienced strong differences in their structural development which could be used as a signal of the impacts observed in the area. Though...
Journal Article
Aquatic Ecosystem Health & Management (2013) 16 (4): 385–394.
Published: 01 October 2013
... (such as vegetated and unvegetated/sand, silt, rock and clay) to understand if macro-benthic assemblages in the Bihar stretch of the river (Patna to Bhagalpur) are structured by the season, and/or habitat type. The River Ganga originates from the ice-cap of Gaumukh at the top of Gangotri glacier (10,020 feet...
FIGURES | View All (5)
Includes: Supplementary data
Journal Article
Aquatic Ecosystem Health & Management (2009) 12 (4): 401–408.
Published: 30 November 2009
... and the distribution of mangrove species along several rivers in north Queensland . Aust. J. Bot. , 30 : 401 – 412 . Cannicci , S. , Burrows , D. , Fratini , S. , Smith , T. J. III , Offenberg , J. and Dahdouh-Guebas , F. 2008 . Faunal impact on vegetation structure...
FIGURES
Journal Article
Aquatic Ecosystem Health & Management (2014) 17 (4): 357–364.
Published: 02 October 2014
...Alfred Sandström; Björn Bergquist; Henrik Ragnarsson-Stabo; Magnus Andersson Shallow, vegetated habitats play an important role as spawning and nursery areas for several species of fish. Such habitats are often laborious to monitor with conventional sampling methods. We evaluated two quantitative...
FIGURES
Journal Article
Aquatic Ecosystem Health & Management (2008) 11 (1): 61–74.
Published: 10 March 2008
... investigated since 1976, and sporadically since the 1950s. Monitoring programmes have included studies on its hydrology, water chemistry and biology (phytoplankton, bacterioplankton, zooplankton, benthos, macrophytes and fish). The sampling frequency per vegetation season (spring, summer and autumn) has varied...
FIGURES | View All (9)
Journal Article
Aquatic Ecosystem Health & Management (1998) 1 (2): 109–124.
Published: 01 January 1998
... and understanding of the functioning of the river are limited. However, the methodology works equally well in data-rich situations. The BBM depends on available knowledge and expert opinion, gleaned from experienced river scientists in a structured workshop process. Limited new data of a specific nature...
Journal Article
Aquatic Ecosystem Health & Management (2014) 17 (2): 129–136.
Published: 03 April 2014
... this clarification system has been found reliable in evaluating aquatic ecological status (Schaumburg et al., 2004 ; Croft and Chow-Fraser, 2007 ), resulting from environmental factors structuring the communities, richness, composition and density (Ana et al., 2008 ) of vegetation. The strength of the metrics...
FIGURES | View All (4)
Journal Article
Aquatic Ecosystem Health & Management (2012) 15 (1): 92–106.
Published: 01 January 2012
..., 1997 ), causing marked changes in vegetation structure (Wilcox and Meeker, 1995 ) that may have led to declines in wetland birds at a regional scale (Steen et al., 2006 ; Timmermans et al., 2008 ). Vegetation structure and anthropogenic disturbance influence the presence (Peterson and Niemi, 2007...
FIGURES
Journal Article
Aquatic Ecosystem Health & Management (2004) 7 (1): 73–84.
Published: 01 January 2004
... of the deeper waters and extended hydroperiods resulting from excavation. Vegetative structure has a significant influence on aquatic macroinvertebrate communities ( Euliss et al., 1999 ). Macrophytes increase habitat structural complexity within wetlands, providing food and living space for species that would...
FIGURES
Journal Article
Aquatic Ecosystem Health & Management (2007) 10 (3): 309–319.
Published: 14 September 2007
... aim of this work is to distinguish between structural characteristics of mangrove stands in three geographically distinctive sites along the hyper arid coast of UAE; Khor Kalba, Khor Umm Al-Quwain and Al Dabbiya. Three tide-dominated vegetation type-sites were selected for this study; Khor...
FIGURES | View All (5)
Journal Article
Aquatic Ecosystem Health & Management (2020) 23 (4): 491–499.
Published: 01 October 2020
... the energy differently from all the others earth's surface elements (Yusuf and He, 2011 ). Moreover, its spectral signature depends from both cell structure and metabolism activity. The vegetation reflectance is relatively low in visible bands since chlorophyll strongly absorbs energy in the blue (B...
FIGURES | View All (4)
Journal Article
Aquatic Ecosystem Health & Management (2008) 11 (4): 465–473.
Published: 09 December 2008
...’ is noted for the higher habitat quality site compared to a longitudinally homogeneous ‘ribbon’ structure at the lower quality site. Organic habitat categories reveal differences in spatial structure, from linearly distributed marginal channel habitats to those which exhibit a patchy spatial organisation...
FIGURES | View All (6)
Journal Article
Aquatic Ecosystem Health & Management (2017) 20 (4): 445–456.
Published: 02 October 2017
... utility for explaining patterns and processes in stream ecology and condition (Thurston, 1979 ; Gosz, 1980 ; Karr and Dudley, 1981 ). Guilds remain useful to organize fish community structure and analyze it relative to the surrounding environment. Given the influence of riparian vegetation...
FIGURES
Journal Article
Aquatic Ecosystem Health & Management (2007) 10 (3): 301–308.
Published: 14 September 2007
... 2007 remote sensing coastal development The Abu Dhabi capital area underwent rapid urban and industrial development during the period from 1972 to 2003, and the authors hypothesized that the physical structure and the vegetation of the area was altered as a result of this development...
FIGURES | View All (10)
Journal Article
Aquatic Ecosystem Health & Management (2020) 23 (4): 417–426.
Published: 01 October 2020
... in literature refer to the resilience of vegetated coastal dunes (Figlus et al., 2014 ; Ayat and Kobayashi, 2015 ; Silva et al., 2016 ; Ajedegba et al., 2109) and to hybrid coastal protection structures (Wamsley et al., 2010; Spalding et al., 2014 ; West, 2014 ; Figlus et al., 2015 ). However, substantial...
FIGURES | View All (9)
Journal Article
Aquatic Ecosystem Health & Management (2008) 11 (2): 167–181.
Published: 06 June 2008
... levels the lake flooded the fen. With high water levels, lake area and wetter classes dominated and migrated inland. Under low water level conditions, lake was replaced by exposed substrate and drier wetland classes expanded, but did not necessarily colonize exposed substrate. wetlands vegetation...
FIGURES | View All (4)