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indicator species

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Journal Article
Aquatic Ecosystem Health & Management (2001) 4 (3): 293–309.
Published: 01 September 2001
..., key indicator species such as number of Carex and Potamogeton species, and guild type. Functional metrics included sensitivity and tolerance measures; percent emergent, pioneer, and obligate wetland species; and the number of weed species as a substitute metric. Abundance was estimated based on...
Journal Article
Aquatic Ecosystem Health & Management (2013) 16 (4): 374–384.
Published: 01 October 2013
... level, whereas species assemblage of August–October at Kahalgaon was distinguished at second hierarchical level. Top three indicative species at site-I (Sultanganj) were C. reticulata , Daphnia pulex and B. quadridentatus throughout the year. During monsoon the top three indicator species were C...
Includes: Supplementary data
Journal Article
Aquatic Ecosystem Health & Management (1998) 1 (1): 101–108.
Published: 01 January 1998
... substrates at the same sites revealed that stress protein analyses were useful in evaluating chronic environmental impact, within the tolerance limits of C. rhizophorae , but that the stress response diminished significantly when conditions approached the lethal limits for this species. The stress protein...
Journal Article
Aquatic Ecosystem Health & Management (2011) 14 (3): 276–284.
Published: 01 July 2011
... prominent for its diversity during autumn and winter. Species diversity was the highest during spring at most localities, being higher during summer only at a few localities. The decrease in diversity at the transition from spring to summer indicates that the most abundant species have an eclosion in that...
Journal Article
Aquatic Ecosystem Health & Management (2005) 8 (4): 441–450.
Published: 01 October 2005
... in chitobiase activity was noted downstream of a sewage treatment plant releasing effluent into the Oir. This is the first time chitobiase activity has been measured in a freshwater ecosystem as an indicator of ecosystem health. However, extensive validation is required before chitobiase activity can...
Journal Article
Aquatic Ecosystem Health & Management (2009) 12 (4): 390–400.
Published: 30 November 2009
... increased concentrations of diatom markers in both sediments and SPMs ( Figure 2D ) indicate that these species could be the predominant food source during that period. From May to July, all of the fatty acid markers in the tissues of Q. palatum experienced a sharp decline ( Figure 2 ). This result...
Journal Article
Aquatic Ecosystem Health & Management (2001) 4 (1): 51–59.
Published: 01 April 2001
... diversity, generally subject to severe human impact with destructive effects, but that are still important for the functioning of these degraded ecosystems. biodiversity bioindicators Copyright © AEHMS 2001 The diversity of benthic macroinvertebrates as an indicator of water quality and...
Journal Article
Aquatic Ecosystem Health & Management (2016) 19 (4): 441–451.
Published: 01 October 2016
... , T. , 2013 . Water quality assessment of the Zarivar Lake using physico-chemical parameters and NSF- WQI indicator, Kurdistan Province-Iran . Int. J. Adv. Biol. Biomed. Res 1 , 302 – 312 . Tomètin , A.S.L. , Daouda , M. , Sagbo , E. , Fatombi , K.J. , Aminou , W.T...
Includes: Supplementary data
Journal Article
Aquatic Ecosystem Health & Management (2011) 14 (3): 260–268.
Published: 01 July 2011
... characteristics of dust storms in the Arabian Gulf, which may constitute a sensitive indicator of climate change affecting the region. The range of mineral compositions of the collected dust samples is consistent with temporally and spatially variable dust sources, associated with changing wind patterns over the...
Journal Article
Aquatic Ecosystem Health & Management (2004) 7 (1): 115–126.
Published: 01 January 2004
... consequence, domestic effluent disposals are enhanced by submarine outfalls or even clandestine disposals. Bioassays using sensitive algal species are important tools to identify both degrees and sources of eutrophication in marine and fresh water environments. Standard technical proceedings are described...
Journal Article
Aquatic Ecosystem Health & Management (2008) 11 (1): 29–35.
Published: 10 March 2008
... Tanganyika. They indicate that the contributions of the different species in the pelagic fisheries were over 70% and 65% “clupeids” during 1967–1974 and after 1983 respectively, and 60% Lates stappersii during 1975–1978 ( Figure 1a ). Contribution of ‘big’ Lates species ( L. mariae, L. angustifrons and...
Journal Article
Aquatic Ecosystem Health & Management (2004) 7 (1): 137–146.
Published: 01 January 2004
... indicate where a significant population effect was observed. The test species varied widely in rates of phototrophic carbon assimilation, with average primary productivity rates per cell for Storeatula control treatments being 16.5 times less than Amphidinium control treatments and 48.4 times...
Journal Article
Aquatic Ecosystem Health & Management (2011) 14 (4): 356–375.
Published: 01 October 2011
..., urbanization, human population density, and road density—strongly influenced the responses of indicator species assemblages. Conditions were generally good in Lake Superior, but in some areas watershed stressors produced degraded conditions that were similar to those in the southern and eastern U.S. Great...
Journal Article
Aquatic Ecosystem Health & Management (2006) 9 (2): 227–236.
Published: 01 July 2006
..., as it is an indication of the status of the species within the ecosystem. It is here that biochemical protein level and molecular DNA level indicators play crucial roles. Thus far, the studies that had been done in Malaysia using such biochemical and molecular markers were mainly on freshwater...
Journal Article
Aquatic Ecosystem Health & Management (2016) 19 (2): 171–180.
Published: 02 April 2016
... wildlife bio-indicator species. References Antoniadou , V. , Konstantinou , I.K. , Goutner , V. , Sakellarides , T.M. , Albanis , T.A. , Bintoudi , E. , 2007 . PCB levels and accumulation patterns in waterbird eggs and in their prey at Lake Kerkini, a north-eastern...
Journal Article
Aquatic Ecosystem Health & Management (2010) 13 (4): 472–479.
Published: 15 November 2010
... metropolitan Melbourne. Between 481 and 629 organisms were found in each wetland comprising 16 different taxa. The one-way ANOVA for species richness (P > 0.05, F = 0.19) and Shannon-Weiner diversity index (P > 0.05, F = 2.54) indicate no significant differences between the wetlands in both of these...
Journal Article
Aquatic Ecosystem Health & Management (2013) 16 (4): 408–414.
Published: 01 October 2013
... found to be 19.45×10 6 for C. carpio , 0.33×10 6 for O. niloticus and 0.82×10 6 for A. nobilis at confluences suggesting that these alien species may be migrating into new habitats. Further, these invaded species exhibited all reproductive stages, indicating their likely establishment within the river...
Journal Article
Aquatic Ecosystem Health & Management (1998) 1 (3-4): 267–276.
Published: 01 January 1998
.... (1992) are given in parentheses. Exotic species are indicated by an asterisk. Under tolerance, T equals tolerant of environmental degradation, S equals sensitive and I equals intermediate. The identifying number refers to the ordination i Fig. 3. Some of the fish listed here had a very limited...
Journal Article
Aquatic Ecosystem Health & Management (2019) 22 (1): 65–76.
Published: 02 January 2019
... species (invasive gastropod), and 3) clearer differences in functional feeding groups among resacas which constitutes an additional indicator metric. Copyright © 2019 AEHMS 2019 Table 1. Total abundance of macroinvertebrates expressed as number of individuals by family in three resacas with...
Journal Article
Aquatic Ecosystem Health & Management (2012) 15 (4): 370–384.
Published: 01 December 2012
... in the Bay of Quinte, Lake Ontario and pooled for four sampling gears (gill net 44 species; bottom trawl 44 species; trap net 34 species and electrofishing 44 species) from 1969–2009. Origin, thermal regime, trophic class and environment inhabited are indicated. Species are ranked by IRI and those...