• The use of electrical conductivity measurements to estimate the ionic content of seawater led to the development of the scale called the practical salinity scale 1978 (PSS-78). (wikipedia.org)
  • Monthly average standards of salinity are prescribed as electrical conductivity at Emmaton and Jersey Point in the west Delta (Figure 1), as well as other locations in the interior and south Delta. (calsport.org)
  • The common perception of increased salinity is due to increased evaporation resulting in an increase in salinity, and also by sea level rise which is projected between 0.9 and 8.8 mm/year. (omicsonline.org)
  • After wells have been properly cleaned out and they begin to refill with water from the aquifer, much of the increase in salinity (saltiness) should subside. (cdc.gov)
  • More than a salinity meter, it's a multifaceted instrument, measuring Brix (0-10%) and density (1.000 to 1.070 g/cm3). (waterfilternet.com)
  • By placing the probe of a digital meter into your aquarium water, you get a direct digital readout of various parameters. (aquariumpharm.com)
  • TSG meter security seals resisted over 110 lbs pulling load, widely used in water meters, gas meters and electric meters. (ecplaza.net)
  • By monitoring, you can determine the frequency of necessary water changes to maintain optimal parameters. (aquariumpharm.com)
  • Maintaining the correct water parameters in your aquarium is crucial for the health and well-being of your aquatic inhabitants. (aquariumpharm.com)
  • Among the proposed indices and parameters, slope at the inflection point of soil water retention curve has been widely used. (usda.gov)
  • Test least two of these parameters by independently following protocols with at least 95% accuracy as determined by GLOBE s quality control protocols. (scienceteacherprogram.org)
  • Determine the effect of variations in the aforementioned parameters, and how that might influence the quality of the water. (scienceteacherprogram.org)
  • Multi parameter sensor for multi parameter water quality monitoring system Product Description Overview The D2100 series multi-parameter water quality sensor (seven parameters) is designed in an all-in-one configuration. (futurenowinc.com)
  • Coastal Monitoring" program of INCOIS envisages monitoring time-series of various biogeochemical parameters to assess the biogeochemical variability in the Indian coastal waters and understand the ecosystem trophic status. (incois.gov.in)
  • The data recorded by the observatories is aimed at monitoring water quality parameters, developing an understanding of coastal processes, assessing the health of the coastal waters, model validation, assimilation, and forecasting of water quality parameters. (incois.gov.in)
  • The results showed that the dominant water quality parameters affecting estuarine water quality were salinity, total organic matter, nitrogen content, either in the form of ammonia, nitrate, or nitrite, and phosphorus content, especially phosphate. (who.int)
  • They use water from the aquifer or course stored water. (golfclubatlas.com)
  • The maps include the River Basin Districts (RBDs) and their sub-units, the surface water bodies (water body category, ecological status or potential and chemical status), the groundwater bodies (aquifer type, quantitative status and chemical status) and the monitoring sites. (europa.eu)
  • The Edwards aquifer in south-central Texas is one of the most productive aquifers in the Nation and is the primary source of water for the rapidly growing San Antonio area. (usgs.gov)
  • Located in north-eastern Tunisia, the Metline-Ras Jbel-Raf Raf aquifer is a mio-plio-quaternary shallow coastal aquifer, where groundwater is the most important source of water supply. (hindawi.com)
  • Unplanned and substantial withdrawals of groundwater from the shallow aquifer of Ras Jbel have resulted in severe water level decline of up to 7 m in some areas and high total dissolved solids (TDS) contents reaching 8000 mg/l. (hindawi.com)
  • A key soil physical property that affects water content is the soil "hydraulic conductivity. (usda.gov)
  • Hydraulic conductivity is a measure of the ease with which water flows or drains in a given soil. (usda.gov)
  • Knowledge of hydraulic conductivity permits better planning and management of soil-water resources. (usda.gov)
  • Seawater typically has a mass salinity of around 35 g/kg, although lower values are typical near coasts where rivers enter the ocean. (wikipedia.org)
  • For practical reasons salinity is usually related to the sum of masses of a subset of these dissolved chemical constituents (so-called solution salinity), rather than to the unknown mass of salts that gave rise to this composition (an exception is when artificial seawater is created). (wikipedia.org)
  • For many purposes this sum can be limited to a set of eight major ions in natural waters, although for seawater at highest precision an additional seven minor ions are also included. (wikipedia.org)
  • The transmitter is equipped with a salinity concentration conversion function that is suitable for monitoring the salinity of seawater. (horiba.com)
  • Sampling was carried out at five stations based on water movements to the estuary, station A was located at the seawater, station B was located in the pond wastewater locations, station C was water sources from residential waste, station D was located in the river, and station E was the estuarine water. (who.int)
  • Salinity is crucial in saltwater aquariums and brackish water environments. (aquariumpharm.com)
  • Although the agricultural standards do provide some ecological protection, the specific hydrology shown in Figure 1 results in brackish water being drawn into the central and south Delta, which degrades the low salinity zone that is so critical to the Bay-Delta native fishes. (calsport.org)
  • Salinity standards took control in July (Figure 4) as Delta outflow failed to keep brackish water from the Bay from encroaching up the San Joaquin channel to Jersey Point. (calsport.org)
  • In addition, in drier years, barriers can be placed on False River and Dutch Slough to limit movement of brackish water (and low-salinity-zone fish and their food supply) into the interior Delta. (calsport.org)
  • This study aimed to determine the total organic contents, total Nitrogen, and Phosphorus in the estuary waters of Maros as a source of brackish water for fish pond aquaculture in Maros Regency. (who.int)
  • Salinity (/səˈlɪnɪti/) is the saltiness or amount of salt dissolved in a body of water, called saline water (see also soil salinity). (wikipedia.org)
  • Crop growth and many other ecohydrologic processes are regulated by the amount of water in the soil. (usda.gov)
  • The research will help engineers and scientists understand soil physical properties that affect agricultural productivity, and to identify soil and water management practices that optimize the profitability of agricultural lands. (usda.gov)
  • Interestingly, the experimental exponent 2.219 found from the Ksat-rinf data is less than 5% greater than the estimated theoretical value 2.111 determined from the average fractal dimension of the measured soil water retention curves. (usda.gov)
  • Because water characteristics can affect soil and plant status, it is important to check water quality periodically. (ufl.edu)
  • Over time water pH can influence soil pH. (ufl.edu)
  • When salinity levels increase, the osmotic potential of the soil water decreases, making water less available for plants, and potentially inducing physiological drought stress. (ufl.edu)
  • Kuntze) all tolerate high salinity levels in the water and soil. (ufl.edu)
  • The soil water content directly affects soil salinity. (ufl.edu)
  • As water evaporates from the soil surface, more water rises from deeper depths depositing salts in the root zone that need to be flushed. (ufl.edu)
  • When reading a water analysis report, there is a common misconception that sodium (Na) is the most important or only salt that can create problems to plant and soil. (ufl.edu)
  • In this post, I discuss the Delta standards relative to performance in summer 2016, the first near normal water year (at least for the Sacramento River watershed) after four years of drought. (calsport.org)
  • Of the four, salinity and outflow governed the Delta in summer 2016, with river flow and exports (percent of inflow) well within prescribed limits. (calsport.org)
  • Approximately 4 million acre-feet (maf) of water entered the Delta from the Sacramento River in summer 2016, primarily from reservoir releases to satisfy agricultural demands and meet salinity/outflow standards. (calsport.org)
  • Salinity (EC) at Jersey Point in the San Joaquin channel of the west Delta in summer 2016. (calsport.org)
  • Red lines denote salinity standards applicable at Jersey Point in summer 2016. (calsport.org)
  • Ranges for freshwater fish vary: soft water fish require 1-3 dGH, whereas hard water fish need 10-12 dGH. (aquariumpharm.com)
  • Occurrence of polycyclic aromatic hydrocarbons (PAHs) in freshwater may aggravate the water crisis currently being experienced in the Western Cape Province of South Africa. (scielo.org.za)
  • Change in water quality by station computed under the condition of average freshwater flow into the Chesapeake Bay over the long-term. (chesapeakebay.net)
  • Observed change in water quality computed under the condition of average freshwater flow into the Chesapeake Bay over the last 10 years (2013-2022). (chesapeakebay.net)
  • Prior to having water piped from Puerto Rico in 1978, the water distribution system on Vieques was supplied from groundwater wells on the island of Vieques. (cdc.gov)
  • During typical low- and no-flow periods, this time frame may be adequate for slow diffusion of nutrients and removal of NO-3 prior to transport to coastal estuaries or ground water, particularly at the golf course site. (cdc.gov)
  • The Chesapeake Bay Program (CBP), Maryland Department of Natural Resources (MDDNR), Virginia Department of Environmental Quality (VADEQ), Old Dominion University (ODU), District of Columbia Department of Energy and the Environment (DC DOEE), and Metropolitan Washington Council of Governments (MWCOG) collaborate annually to produce bay-wide summaries of water quality trends in the tidal waters. (chesapeakebay.net)
  • Students use FieldScope to explore the geography and patterns of salinity levels of the Chesapeake Bay watershed. (nationalgeographic.org)
  • 2. Introduce water quality concerns in the Chesapeake Bay Watershed. (nationalgeographic.org)
  • Explain to students that they will consider these stakeholders as they write a decision statement for where to locate the action plan for improving water quality of the Chesapeake Bay. (nationalgeographic.org)
  • Too much salt is allowed into the interior Delta in summer, resulting in the degradation of water quality of diversions/exports and of the low salinity zone habitat of native estuarine fishes, including Delta smelt. (calsport.org)
  • Transportation of organic matter, minerals and sediments from upstream to the estuary and from the sea containing minerals, hence estuarine waters are more fertile than other areas. (who.int)
  • The research was conducted in the estuary waters of Maros for three months from September to November 2020. (who.int)
  • Water quality directly impacts the health and well-being of your aquatic pets. (aquariumpharm.com)
  • Choosing the right tools to assess your water quality is critical in detecting any issues before they become detrimental to your aquatic life. (aquariumpharm.com)
  • A prominent feature of NAWQA is the development of long-term consistent and comparable information on streams, rivers, ground water, and aquatic systems. (usgs.gov)
  • The Regional Stream Quality Assessment (RSQA) is studying the relations between stressors (chemical and physical) and stream ecology (fish, algae, and aquatic invertebrates) at small streams in five large regions of the United States. (usgs.gov)
  • The online water-quality trends mapping tool allows users to visualize trends in water chemistry (nutrients, pesticides, sediment, carbon, and salinity) and aquatic ecology (fish, invertebrates, and algae). (usgs.gov)
  • These reports use water quality sample data to summarize 1) How tidal water quality (TN, TP, DO, Chlorophyll a, Secchi Depth) has changed over time, 2) How and which factors may influence water quality change over time, and 3) Recent research connecting observed changes in aquatic conditions to its drivers. (chesapeakebay.net)
  • Measurement and definition difficulties arise because natural waters contain a complex mixture of many different elements from different sources (not all from dissolved salts) in different molecular forms. (wikipedia.org)
  • We increase the leaching fraction (amount of water applied) in order to push salts below the root zone. (ufl.edu)
  • Salinity (the measure of dissolved salts) can have a serious effect on amphibian reproduction and recruitment (Smith et al 2006). (unl.edu)
  • The sea salts associated with saltwater flooding of coastal drinking water supplies are not an immediate health threat. (cdc.gov)
  • With our device, John could test his aquarium's salinity levels with ease, knowing that our refractometer was there as his guide. (waterfilternet.com)
  • It is also useful to study the recharge mechanisms as well as the mixing fresh water/saline water. (hindawi.com)
  • Reflects the concentration of magnesium and calcium in the water. (aquariumpharm.com)
  • In some water bodies, the concentration of microscopic algae and quantities of pesticides, herbicides, heavy metals, and other contaminants may also be measured to determine water quality. (un-spider.org)
  • The absolute concentration of Na in water has been given too much importance by landscape and turf managers. (ufl.edu)
  • Although the presence of Na in irrigation water in important, it is its concentration in relationship to calcium (Ca) and magnesium (Mg) that must be scrutinized. (ufl.edu)
  • Feature-rich: Measures salinity, Brix and density with top precision. (waterfilternet.com)
  • The measurement range is large and measures both fresh water salinity and sea salt. (habicare.nz)
  • The pH level measures the acidity or alkalinity of your aquarium water on a scale from 0 to 14, with 7.0 being neutral. (aquariumpharm.com)
  • The pH of irrigation water measures its acidity or basicity. (ufl.edu)
  • A research project was enacted during the 2012 summer field season in Wilderness Park located in Lancaster County, Nebraska to determine if a relationship exists between amphibian species richness and relative abundance with measures of salinity (ppm). (unl.edu)
  • By all measures, water sources do not meet the international criteria for drinking-water quality. (who.int)
  • Desired values for irrigation water range from 6.5 to 8.4. (ufl.edu)
  • While pH in irrigation water is seldom a problem, values outside the normal pH ranges could be an indicator of possible problems (e.g., too many bicarbonates dissolved in irrigation water). (ufl.edu)
  • One method to manage high salinity in irrigation water is to increase the volume of water applied. (ufl.edu)
  • The combination of hydrogeochemical, isotopic, statistical, and GIS approaches demonstrates that the salinity and the groundwater composition are largely controlled by the water-rock interaction particularly the dissolution of evaporate minerals and the ion exchange process, the return flow of the irrigation water, agricultural fertilizers, and finally saltwater intrusion which started before 1980 and which is partially mitigated by the artificial recharge since 1993. (hindawi.com)
  • The concentrations of dissolved gases like oxygen and nitrogen are not usually included in descriptions of salinity. (wikipedia.org)
  • With the knowledge of their optical characteristics, it is possible to retrieve quantitative values of the concentrations for these water constituents, solely based on the reflectance of light measured by satellite sensors. (un-spider.org)
  • Water entering the estuary has an impact on high concentrations of total organic matter, increased concentrations of Total N, and phosphorus. (who.int)
  • The term 'salinity' is, for oceanographers, usually associated with one of a set of specific measurement techniques. (wikipedia.org)
  • The suffix psu or PSU (denoting practical salinity unit) is sometimes added to PSS-78 measurement values. (wikipedia.org)
  • But one of paspalum s most powerful attributes is its ability to tolerate elevated salinity levels that would affect other turfgrass types much more negatively. (golfclubatlas.com)
  • Besides being fairly bewildered by the complexity of water delivery in the American West, I was pretty surprised by the high and persistent salinity levels that come from long periods of irrigation. (golfclubatlas.com)
  • Seashore paspalum can provide high-quality turf in reduced-light and waterlogged conditions, as well as in soils with wide pH levels. (golfclubatlas.com)
  • The West False River barrier is a temporary rock barrier to reduce the intrusion of high salinity water into the central and south Delta. (ca.gov)
  • Discover a faster, simpler path to publishing in a high-quality journal. (plos.org)
  • High salinity levels are common in recycled, tailored, and groundwater sources. (ufl.edu)
  • a perennial herbaceous species used for its high quality bast fibre, has recently received renewed attention for production in Europe due to the increasing natural fibre demand globally. (researchgate.net)
  • Breeding sites were determined and placed in three relative salinity regimes (Low, Moderate and High). (unl.edu)
  • Tadpoles were not documented in the Moderate and High salinity regimes. (unl.edu)
  • Brief Introduction of the Water Level Monitoring Equipment MHz Water Level Monitoring Equipment realizes high digital, communication between machine and human. (futurenowinc.com)
  • The solution is to extend the early summer 450 EC standard at Jersey Point (Figure 4) through the summer in abundant water years where high exports are planned from the south Delta. (calsport.org)
  • Who needs the water quality to be high? (nationalgeographic.org)
  • Different practical definitions of salinity result from different attempts to account for these problems, to different levels of precision, while still remaining reasonably easy to use. (wikipedia.org)
  • Our Salinity Refractometer is not just a tool, it's your ally, your go-to aid in maintaining the optimal salinity levels in your environment. (waterfilternet.com)
  • An assurance that whether you're checking the salinity levels in your marine aquarium, testing the water in your pool, or ensuring the quality of your food and beverages, you're doing it with impeccable accuracy. (waterfilternet.com)
  • John loves his exotic marine fish collection but struggled with maintaining the precise salinity levels necessary for his fish to thrive. (waterfilternet.com)
  • Regular testing and water changes are important to manage these levels, especially in newly set up aquariums. (aquariumpharm.com)
  • Again there is a decrease in the salinity levels on the eastern half as a result of the discharge of the River Padma and Brahmaputra. (omicsonline.org)
  • Extremely coarse-textured soils, or golf greens that are constructed on pure sands, can be watered with higher SAR levels without serious concerns for deflocculation. (ufl.edu)
  • However, there is dearth of data on the levels of PAHs, which is necessary for effective assessment of water quality as well as remediation strategies. (scielo.org.za)
  • This study therefore measured the levels of the 16 priority US EPA PAHs in water samples from the Diep River, South Africa. (scielo.org.za)
  • For instance, groundwater contamination and decline of water levels have been reported in Tunisia [ 7 - 13 ] and in many countries around the world. (hindawi.com)
  • Rivers and lakes can have a wide range of salinities, from less than 0.01 g/kg to a few g/kg, although there are many places where higher salinities are found. (wikipedia.org)
  • Many landscapers and turfgrass managers are forced to switch from fresh/canal water to other sources, such as reclaimed wastewater. (ufl.edu)
  • Salinity thresholds for turfgrass species and ornamentals have been established in several greenhouse studies. (ufl.edu)
  • However, when turfgrass and ornamentals are grown in fields, they are subjected to multiple stresses, including heat and drought, that exacerbate the salinity stressor. (ufl.edu)
  • The 2021 Emergency Drought Salinity Barrier Project consists of constructing a temporary rock barrier across West False River in the Sacramento-San Joaquin Delta. (ca.gov)
  • The California Department of Water Resources (DWR) has determined that a salinity barrier is needed in response to the current drought conditions in the State of California. (ca.gov)
  • Such actions may include, among other things, the installation and removal of, Emergency Drought Salinity Barriers at locations within the Sacramento-San Joaquin Delta. (ca.gov)
  • DWR is requesting emergency authorization under the United States Army Corps of Engineers' Regional General Permit 8 for the 2021 Emergency Drought Salinity Barrier Project. (ca.gov)
  • April 15, 2014 - DCC Engineering Company, Inc. letter regarding DWR Drought Barriers - 401 Water Quality Certification Comments. (ca.gov)
  • Increasing water demands of the communities on Vieques and the increased salinity of these water supplies (because of salt water intrusion) mandated the need for a better water supply for residents of Vieques. (cdc.gov)
  • If odor, taste, unusual discoloration, or the results of preliminary water testing lead people to suspect that area wells are contaminated by fuel, pesticides, or other chemicals, a chemical analysis of drinking water is strongly recommended. (cdc.gov)
  • Keep in mind the specific requirements of the species you are keeping, as different fish and plants thrive under different water conditions. (aquariumpharm.com)
  • Test your water regularly and adjust as necessary to maintain the ideal pH for your specific fish species. (aquariumpharm.com)
  • Finally, students will be asked to determine what species of native Hudson River flora and fauna could live in the Hudson based on the water quality we determined. (scienceteacherprogram.org)
  • No significant relationship was found across the salinity regimes for either species richness or relative abundance. (unl.edu)
  • Fish obtain the oxygen which they need from water via their gills and for some species via their skin. (coe.int)
  • species indicative of healthy water quality. (greeningaustralia.org.au)
  • Stable isotope and geochemical techniques have been used in groundwater studies of coastal aquifers worldwide [ 22 - 25 ] for determining the origins of groundwater salinization in aquifers and processes that affect water chemistry, such as rock weathering, evaporation, atmospheric precipitation, and cation exchange. (hindawi.com)
  • Contamination of water limits the availability of this important resource, with an attendant possibility of causing human and wildlife health problems, reduced biodiversity, environmental degradation, hunger and poverty, amongst others. (scielo.org.za)
  • The data documents the closure of more than 8,000 public drinking water wells since 1984 - in most cases, due to contamination. (pmmag.com)
  • Is the Subject Area "Water pollution" applicable to this article? (plos.org)
  • The human impacts on the coastal ocean in terms of pollution and waste disposals have greatly modified the water quality and the fluxes of material to the coastal waters. (incois.gov.in)
  • This monitoring will allow the rangers to assess the health of the ecosystem and detect any upstream issues such as impacts from commercial activities, increases in pollution, and changes in water quality (eg. (greeningaustralia.org.au)
  • IWMI works in partnership with governments, civil society and the private sector to develop scalable agricultural water management solutions that have a real impact on poverty reduction, food security and ecosystem health. (landportal.org)
  • Because of the importance of groundwater in controlling porewater salinity and mangrove root productivity in karstic oceanic islands such as SAI, water use and coastal development should be regulated in the short term to avoid the loss of mangrove area and concomitant ecosystem services. (frontiersin.org)
  • In order to consider water suitable for human consumption and for water to support proper ecosystem functionality or services, the physical, chemical and biological conditions have to meet certain requirements. (un-spider.org)
  • Since then, NAWQA has produced scientific data and knowledge that is used by national, regional, state, and local agencies to develop science-based policies and management strategies to improve and protect water resources used for drinking water, recreation, irrigation, energy development, and ecosystem needs. (usgs.gov)
  • The focus of this discussion is to engage students in thinking about issues around water quality and the importance of a healthy watershed for organisms within the ecosystem. (nationalgeographic.org)
  • After a tsunami, water sources may be contaminated with saltwater. (cdc.gov)
  • Salinities were largely measured using titration-based techniques before the 1980s. (wikipedia.org)
  • Banerjee K (2013) Decadal Change in the Surface Water Salinity Profile of Indian Sundarbans: A Potential Indicator of Climate Change.J Marine Sci Res Development S11:002. (omicsonline.org)
  • The Environmental Express® Oakton® 200 series of water quality meters features an electrode status indicator, which shows the condition of the electrode after each calibration. (thomassci.com)
  • Silicon in the form of silicic acid, which usually appears as a neutral molecule in the pH range of most natural waters, may also be included for some purposes (e.g., when salinity/density relationships are being investigated). (wikipedia.org)
  • Water has specific reflectance characteristics (measured at different wavelengths of light, so-called spectra), based on the scattering and absorbing properties of their optically active constituents. (un-spider.org)
  • Our results follow the predictions of the plant root longevity cost-benefit hypothesis where plants maintain roots only until the efficiency of resource acquisition is maximized by water and nutrient acquisition. (frontiersin.org)
  • More than 10 years ago, in connection with some issues relating to green collars and approaches, we tested our well water for salinity, PH, etc. (golfclubatlas.com)
  • The method can be used for automated detection of chemical/post- translational modifications, quality control of experiments and labelling approaches, and to control the modification settings of protein identification tools. (lu.se)
  • Although recovery of shallow wells may be slower than that of deeper wells, the salinity of shallow wells should lessen over time. (cdc.gov)
  • Coastal areas throughout the Mediterranean face salinization problems of groundwater which is the major source of water supply especially for drinking and agricultural sector. (hindawi.com)
  • Under this program, INCOIS has established two time-series stations in the Indian coastal waters (east coast: Visakhapatnam, west coast: Kochi) through sustained buoy-based automated observatories. (incois.gov.in)
  • The major ions dominate the inorganic composition of most (but by no means all) natural waters. (wikipedia.org)
  • The National Water-Quality Assessment (NAWQA) Project is a leading source of scientific data and knowledge for development of science-based policies and management strategies to improve and protect our water resources. (usgs.gov)
  • In 1991, Congress established the National Water-Quality Assessment (NAWQA) Project to address where, when, why, and how the Nation's water quality has changed, or is likely to change in the future, in response to human activities and natural factors. (usgs.gov)
  • After completing masters degree, she joined the National Water Quality Assessment (NAWQA) program mainly dealing with surface water quality in the South-Central Texas study area and the Trinity River study area. (usgs.gov)
  • The USGS National Water-Quality Assessment (NAWQA) Project was established by Congress in 1992 to answer the following question:What is the status of the Nation's water quality and is it getting better or worse?Since 1992, NAWQA has been a primary source of nationally consistent data and information on the quality of the Nation's streams and groundwater. (usgs.gov)
  • The USGS National Water-Quality Assessment (NAWQA) Project was established by Congress in 1992 to answer the following question:What is the status of the Nation's water quality and is it getting better or worse? (usgs.gov)
  • The water supplied by pipeline to the island of Vieques is safe to drink and is suitable for all home and business use. (cdc.gov)
  • Thus, the waters of the Maros estuary are not suitable for aquaculture, especially for the 5 observed stations (A, B, C, D and E). (who.int)
  • Your fish are reliant on a stable environment, where sudden changes in water quality can cause stress, illness, or even death. (aquariumpharm.com)
  • Another toxic compound, best kept at 0 ppm through regular water changes and cycling your tank before adding fish. (aquariumpharm.com)
  • In particular, it has to be emphasised that in fish pronounced interspecies differences exist with respect to the requirements for water conditions, social behaviour and environmental structures. (coe.int)
  • Two fresh water fish taxa, the Robe River Tandan (Neosilurus sp. (greeningaustralia.org.au)