<abstract xmlns="http://www.w3.org/1999/xhtml">Phytoplankton of the Balkhash Lake was represented by 91 species with average abundance of 1,002.4 mln. ind. m−3 and average biomass of 0.853 g m−3 in summer 2004. Maps of spatial distribution revealed that phytoplankton abundance was confined within the near-estuary sections of the rivers. Correlation analysis and 3D Surface Plots showed that the average mass of the algal cell decreased with increased phytoplankton abundance, species richness, and Shannon Bi index values. Synchronicity of the spatial dynamics of W-Clarke and Δ-Shannon values evidenced the possibility of obtaining information on the structure of communities by both calculated and graphical methods.</abstract>

Republican State Enterprise on the Right of Economic Use “Institute of Zoology”

“Kazakh Research Institute of Fishery” LLP

Statistical mapping and 3-D surface plots in phytoplankton analysis of the Balkhash Lake (Kazakhstan)

<abstract xmlns="http://www.w3.org/1999/xhtml"><italic>Aegialitis rotundifolia</italic> is a hermaphroditic, self-compatible species with mixed breeding system. The floral characters indicate melittophilous pollination syndrome. Field studies indicate this species is melittophilous but anemophily also occurs due to its seaward occurrence where high winds usually prevail. Autogamy and allogamy are functional, and these modes indicate a “fail-safe” strategy for reproductive assurance when con-specifics do not occur nearby. Natural fruit set rate is 55-61%. The seed produces seedling within the fruit pericarp while it is still attached to the parent plant. Seedling or seed dispersal and establishment occurs through self-planting and stranding strategies.</abstract>

Reproductive ecology of <italic>Aegialitis rotundifolia</italic> Roxb., A crypto-viviparous mangrove plant species in Krishna mangrove forest, Andra Pradesh

<abstract xmlns="http://www.w3.org/1999/xhtml">During our routine ecological survey conducted at Pulicat Lagoon, the most diverse class Gastropods comprised of 26 families with 34 species and Bivalvia with 13 families and 17 species were recorded. The most abundant molluscs species was <italic>Crassostrea madrasensis</italic>, captured between October 2013 − September 2015. Quite a good number of molluscs were washed ashore. The economic value of the shells in the field of cosmetics was raised high recently. Both in terms of aquaculture and market value the attention should be diverted towards their conservation. With few exceptions, the majority of these molluscs were ornamental.</abstract>

Mollusc diversity at pulicat Lagoon (India)

<abstract xmlns="http://www.w3.org/1999/xhtml">The antioxidant system in various organs of rapana (<italic>Rapana venosa</italic>) has been studied in condition of contamination of medium with copper ions (5 and 10 MPC) and sodium dodecyl sulphate (5 and 20 MPC). The most significant changes in the antioxidant status of cells occurred mainly during the first hours (three-24 hours) of exposure to toxic compounds. At the end of observations (72 hours) stabilization of the main parameters of the antioxidant system and return of its main indicators to control values were noted. Ktenidiy proved to be the most sensitive organ reacting to toxic doses of both copper and sodium dodecyl sulphate in the medium. Nephridiy cells turned out to be weakly susceptible to the action of the studied toxicants. The high lability and power of the antioxidant system of rapans provides a significant adaptive potential for the mollusk.</abstract>

Antioxidant system of rapans under the action of copper ions and anionic detergent

<abstract xmlns="http://www.w3.org/1999/xhtml">This manuscript reviews the length-weight relationships (LWRs) of freshwater fishes in Malaysia. A total of 102 LWRs of fishes gathered from literature pertaining to 64 freshwater fish species were analysed. A meta-analysis from 13 previous reports showed that the <italic>b</italic> values was ranged from 2.19 (<italic>Clarias batrachus</italic>) to 4.106 (<italic>Barbodes binotatus</italic>). Out of 64 observed species, 47 species (11 families) experienced positive allometric growth, while another 23 species (eight families) and 31 species (12 families) were recorded under isometric and negative allometric growth, respectively. The fish LWRs observed can be used as an indicator of environmental changes and fish ecological health for freshwater fishes in Malaysia.</abstract>

Department of Environmental Management, Faculty of Environmental Studies

Department of Biology, Faculty of Science

A review of length-weight relationships of freshwater fishes in Malaysia

<abstract xmlns="http://www.w3.org/1999/xhtml">We propose a technical solution for fish movement based on the flow of water over a spill threshold. Such barriers are common in the Danube system. The proposed system has a range of operating components which are easily detachable from the spill threshold, are resistant to corrosion and will not harm the fish. In fact, if designed to complement swimming abilities of target fish, it should provide adequate passage for both adults and juveniles. If implemented correctly, the design may offer a solution to help displaced fish recolonize upstream habitats.</abstract>

National Institute of Hydrology and Water Management

Upper Caraş River (Danube watershed) fish populations fragmentation – technical rehabilitation proposal

<abstract xmlns="http://www.w3.org/1999/xhtml">The lake Bosomtwe in the Abono Village in the Ashanti Region of Ghana is in a deplorable state, thereby negatively affecting its rich aquatic biodiversity. The condition is blamed on the negative human impacts on the lake. A phenomenological study of the qualitative approach was undertaken to investigate this phenomenon. The findings revealed that the deteriorating condition of the lake is due to the weak implementation of the cultural traditions of the Abono people. The study proposes the strict observance of the cultural traditions as a complement to the scientific models to avert the want and destruction of the aquatic biodiversity of lake Bosomtwe of Ghana.</abstract>

The human impact and the aquatic biodiversity of lake Bosomtwe: rennaisance of the cultural traditions of Abono (Ghana)?

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Transylvanian Review of Systematical and Ecological Research

 Publishing House and Owner: Lucian Blaga University of Sibiu, Romania  Founded 1999, is an international scientific publication, edited in Sibiu, Romania. It publishes original work dealing with basic aspects, particularly of ecology, systematics and related fields.  Transylvanian Review of Systematical and Ecological Research deal with the worldwide publishing of original articles and reviews related to the theoretical, experimental, and applied aspects, particularly of ecology, biology, systematics, environmental sciences and related fields. We publish high quality papers concerned to habitats, species, associations, communities, ecosystems in their natural state or under anthropogenic threats, risks, and impacts. The published information, data, discussions, and conclusions must exceed the edges of case studies, highlight significant results using any ecological approach, and for that reason only publish papers with robust ecological messages that improve our knowledge of ecological principles, reality, and trends.  Archiving  Sciendo archives the contents of this journal in Portico - digital long-term preservation service of scholarly books, journals and collections.  Plagiarism Policy  The editorial board is participating in a growing community of Similarity Check System's users in order to ensure that the content published is original and trustworthy. Similarity Check is a medium that allows for comprehensive manuscripts screening, aimed to eliminate plagiarism and provide a high standard and quality peer-review process. 