���s���`gq�H^�P$"x��JD�,7���d��!%�eVL�YB'��/4��|����~x�ط��)%��e' Algae is also important as it can indicate whether a water body is polluted. Lichens are known as pollution indicator. 3. Algae are an ecologically important group in most aquatic ecosystems but are often ignored as indicators of aquatic ecosystem change. Algae as Indicator Species. Two groups of algae, Cryptophyta and Chrysophyta, are reported to be indicators of clean and/or unpolluted water as the members of these algal groups tend to occur in abundance, oppositely reacting adversely to pollution [ 18 ]. Asked by Wiki User. Plant indicator † Region or nonappearance of certain plant or vegetative life in a natural group can give basic bits of data about the well being of the environment. 2 … They indicate when predators are reducing the numbers of a species. Relationship of Algae to Water Pollution and Waste Water Treatment 337 Euglena, diatoms, Navicula, Synedra and blue- green algae Oscillatoria and Phormidium are emphasized to tolerate organic pollution [12]. are organisms that can tell us about the levels of pollution in an area by their presence or absence. Algae Characteristics: Algae are simple plants that can range from the microscopic, to large seaweeds, such as giant kelp more than one hundred feet in length. h�b```�;,l�� cb��̂�"� �� ��d �i�c�h���@��F�� How does pollution affect algae? Although indicator organisms can be any biological species that defines a trait or characteristics of the environment, algae are known to be good indicators of … Nutrients reach waterbodies through agricultural and urban runoff, sewage discharges and detergents containing phosphorus. † Eg: lichens ,planktons. Two types of large and long-lasting pollution threats can be recognized at the global level: on the one hand, organic pollution leading to high organic content in aquatic ecosystems and, in the long term, to eutrophication. The algae and pollution experiment is a biology experiment from Layers of Learning Unit 4-20 about conservation. Lichens are capable to indicate air pollution, water pollution, heavy metals as well as radioactive particles. The absence of blue-green algae was also accepted an indication of clean water [ 19 ]. Lichens are similar to fungi and algae, and absorb water and minerals from the air to grow on living and nonliving surfaces. Metal levels in the water that can be indicated by the species there. The species present in it indicator species is any living organism that can tell us about the levels pollution! National Conference on “ green Technology for…, National SEMINAR on the relative number of algae are lichens fish. 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