1-20 of 870 Search Results for

Limitation

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 (3-4): 345–351.
Published: 01 January 1998
...Eugenia López López; Laura Dávalos-Lind Abstract Algal bioassays to determine algal growth potential of waters and nutrient limitation were conducted using a standard test organism Selenastrum capricornutum and native phytoplankton from the sites sampled. The study site was the river-reservoir...
Journal Article
Aquatic Ecosystem Health & Management (2000) 3 (2): 203–210.
Published: 01 January 2000
... products, and therefore may be regarded as the limiting factor for Lake Baikal as well as for other ecosystems of the oceanic type. Copyright Elsevier Science Ltd and the Aquatic Ecosystem Health & Management Society 2000 Nutrient Nitrogen cycle References Button , D.K. 1978...
Journal Article
Aquatic Ecosystem Health & Management (2001) 4 (2): 123–138.
Published: 01 June 2001
... and to identify key factors limiting algal productivity, 49 of these shallow reservoirs were sampled once in 1997 at the end of the dry season. They showed low conductivity (range 40-230 µS cm -1 ) and low pH (range 5.1-7.3), and lakes deeper than 2 m were stratified. Most lakes had low nutrient concentrations...
Journal Article
Aquatic Ecosystem Health & Management (2019) 22 (4): 396–407.
Published: 02 October 2019
... drainages of Guangdong 1990s Aquarium Wei et al., 2017 and unpublished data * F. Chen, Guangzhou Qianjiang Water Ecology Technology Limited Company, Guangzhou, China, unpublished data ** please see additional main drainage sites listed as supplementary material on the publisher's website...
Includes: Supplementary data
Image
Published: 02 April 2020
Figure 1. Steps to develop ambient marine water and sediment quality limits. More
Journal Article
Aquatic Ecosystem Health & Management (2004) 7 (3): 415–424.
Published: 01 July 2004
... to the occurrence and types of pathogens in sediments. In an effort to adapt new defensible methods for assessing the risk posed by pathogens in sediments, we evaluated the sensitivity of a commercially available real-time polymerase chain reaction TaqMan® Escherichia coli 0157:H7detection kit. The lower limit...
FIGURES | View All (4)
Journal Article
Aquatic Ecosystem Health & Management (2003) 6 (2): 139–146.
Published: 01 April 2003
..., the perceptions of coastal practitioners regarding current uses of indicators and factors limiting indicator use were explored. Results show that the organizations we surveyed generally do not use indicators to their full potential. Indicator use and factors limiting their use vary across both levels...
Journal Article
Aquatic Ecosystem Health & Management (2008) 11 (3): 298–309.
Published: 25 August 2008
... due to decreased nutrient loads from point sources, but the limitation of scattered nutrient loads has been less successful. This development can also be seen in the responses of fish communities. Some 30–40 years ago, waters close to many cities or industrial plants were heavily polluted and had only...
FIGURES
Journal Article
Aquatic Ecosystem Health & Management (2013) 16 (4): 454–464.
Published: 01 October 2013
... dominate the sediment phase. In water the residues are frequently crossing the permissible limits of US EPA standards for aquatic organisms and their consumers, indicating various levels of risk. In fishes, the permissible limits for HCH, endosulfan and DDT are exceed only in some occasions, signifying...
FIGURES
Includes: Supplementary data
Journal Article
Aquatic Ecosystem Health & Management (1999) 2 (2): 115–127.
Published: 01 January 1999
...M.D. Matlock; D.E. Storm; M.D. Smolen; M.E. Matlock Abstract Nutrient limitations in three streams in the Upper Illinois River Basin in eastern Oklahoma (Peacheater, Tyner and Battle Creek) were measured using the Matlock periphytometer in April and September, 1995. The Matlock periphytometer...
Journal Article
Aquatic Ecosystem Health & Management (2011) 14 (3): 252–259.
Published: 01 July 2011
... length, targeted by long-lines, were seldom encountered to validate the upper limit of the slot size. We advise to abolish the upper slot size limit and introduce a lower legal limit of 7” for gillnets. Figure 1. Landing sites for CAS, Tanzanian side of Lake Victoria. The names in the map...
FIGURES | View All (6)
Journal Article
Aquatic Ecosystem Health & Management (2020) 23 (2): 154–165.
Published: 02 April 2020
...Figure 1. Steps to develop ambient marine water and sediment quality limits. ...
FIGURES
Journal Article
Aquatic Ecosystem Health & Management (2021) 24 (1): 82–89.
Published: 02 January 2021
... production. Thus, adopting appropriate feed management technologies and feeding strategies is instrumental in maximizing aquaculture productivity. Some of the major challenges faced by fish farmers in the feed sector including limited access to finance, lack of appropriate technical innovations, limited...
FIGURES
Journal Article
Aquatic Ecosystem Health & Management (2009) 12 (2): 129–137.
Published: 27 May 2009
...J. R. Jones; P. McEachern; D. Seo Limited information is available on how the Asian monsoon influences contemporary lake processes, seasonal patterns and interannual variation. Data sets from Nepal (Indian monsoon region) and South Korea (East Asian monsoon region) along with published literature...
FIGURES | View All (7)
Journal Article
Aquatic Ecosystem Health & Management (2012) 15 (2): 200–209.
Published: 01 April 2012
... was the main limiting nutrient of phytoplankton biomass in river diluted water and most near-shore stations, while dissolved inorganic nitrogen became the potential limiting nutrient in some offshore stations, except for summer when phosphate limited almost all in the whole investigation region. Controlling...
FIGURES | View All (7)
Journal Article
Aquatic Ecosystem Health & Management (2010) 13 (4): 413–428.
Published: 15 November 2010
... to 6800 m -2 above 9 m depth, but very rare below 9 m. The benthic community was limited to species tolerant of severe eutrophication, with non–oligochaete taxa rare below 8 m depth. Typical littoral gastropods, amphipods and non-chironomid insects were very rare. Diversity ranged from 0.2 on the south...
FIGURES | View All (9)
Journal Article
Aquatic Ecosystem Health & Management (2006) 9 (3): 357–364.
Published: 01 September 2006
... incurred adverse impacts on shellfish farming because of the resulted anoxic conditions, and on recreation due to odour and foam. Funded by EU FP5 Harmful Algal Blooms Expert System (HABES) project, the objective of this research was to systematically assimilate the various available knowledge and limited...
FIGURES | View All (5)
Journal Article
Aquatic Ecosystem Health & Management (2018) 21 (4): 493–505.
Published: 02 October 2018
... on balance has been slow and disappointing. The Remedial Action Plan program has been continued following revisions to the Great Lakes Water Quality Agreement in 2012 despite very little systematic inspection of its strengths and limitations. Further, the 2012 Agreement calls for a “nearshore framework...
FIGURES
Journal Article
Aquatic Ecosystem Health & Management (2018) 21 (4): 421–437.
Published: 02 October 2018
..., but nitrogen limited which resulted in a phytoplankton community dominated by both filamentous diatoms and diazotrophic (N–fixing) cyanobacteria. Hamiton Harbour was phosphorus and nitrogen enriched, but silica depleted with a community dominated by small and large phytoflagellates in addition to experiencing...
FIGURES | View All (5)
Journal Article
Aquatic Ecosystem Health & Management (2020) 23 (4): 491–499.
Published: 01 October 2020
...A. Capolupo; M. Saponaro; U. Fratino; E. Tarantino Coastal soil erosion can be recognized as the most alarming environmental issue since, causing shoreline retreat, reduces the area available for plant habitat survival, highly influencing their health status, and, consequently, limiting...
FIGURES | View All (4)