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"Aquatic biology"
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My first trip to the aquarium
Using simple text and illustrations, this book describes a child's first visit to an aquarium.
Book
Gobies in the Mekong Delta
The Vietnamese Mekong Delta boasts a rich diversity of fish species, including over 300 types in its freshwater, brackish, and saltwater environments. The Mekong River plays a crucial role in supporting these fish populations, particularly the Butidae, Gobiidae and Eleotridae fish families, which have economic significance. Although research has been conducted on these fish species in recent years, it has been fragmented, making it challenging to assess and conserve these resources effectively. This monograph addresses this issue, offering a comprehensive perspective on the fish family in this region. The monograph is the culmination of a decade of research, featuring in-depth investigations, covering genetic characteristics, morphology, reproduction, feeding habits, and population dynamics. The goal is to provide a holistic understanding of these species and their ecosystems, aiding their conservation. The research contributes to the broader sense of aquatic ecosystems and the intricacies of fish survival in this region.
eBook
Evidence of new strains of Wolbachia symbiont colonising semiaquatic bugs
Wolbachia Hertig, 1936 is an intracellular bacterial symbiont colonizing many arthropods. Of the studies done on the bacteria present in the superfamily Gerroidea Leach, 1815, no report of Wolbachia infection had yet been made. Thus, we checked the presence of Wolbachia in six Gerroidea species which colonize tropical aquatic environments by PCR using wsp primer set before sequencing and phylogenetic analyses. Insects were collected in the marine fringe of mangroves, in river estuaries, in swampy mangroves, and in ponds from Guadeloupe islands (Caribbean). Two new strains of Wolbachia were detected in these Gerroidea. They were named wLfran and wRmang. The wsp sequences suggest that the strains belong to the already described E supergroup or similar. wLfran is present in Limnogonus franciscanus Stål, 1859 and Rheumatobates trinitatis (China, 1943) while wRmang appears to be present exclusively in R. mangrovensis (China, 1943). Three other species were analysed, but did not appear to be infected: Brachymetra albinerva (Amyot & Serville, 1843), Halobates micans Eschscheltz, 1822, and Microvelia pulchella Westwood, 1834. The results presented here highlight for the first time the presence of new intracellular Wolbachia strains in Gerroidea colonising tropical aquatic environments like mangrove habitats from inlands to sea shore.
Journal Article
Antarctic Marine Biodiversity – What Do We Know About the Distribution of Life in the Southern Ocean?
The remote and hostile Southern Ocean is home to a diverse and rich community of life that thrives in an environment dominated by glaciations and strong currents. Marine biological studies in the region date back to the nineteenth century, but despite this long history of research, relatively little is known about the complex interactions between the highly seasonal physical environment and the species that inhabit the Southern Ocean. Oceanographically, the Southern Ocean is a major driver of global ocean circulation and plays a vital role in interacting with the deep water circulation in each of the Pacific, Atlantic, and Indian oceans. The Census of Antarctic Marine Life and the Scientific Committee on Antarctic Research Marine Biodiversity Information Network (SCAR-MarBIN) have strived to coordinate and unify the available scientific expertise and biodiversity data to improve our understanding of Southern Ocean biodiversity. Taxonomic lists for all marine species have been compiled to form the Register of Antarctic Marine Species, which currently includes over 8,200 species. SCAR-MarBIN has brought together over 1 million distribution records for Southern Ocean species, forming a baseline against which future change can be judged. The sample locations and numbers of known species from different regions were mapped and the depth distributions of benthic samples plotted. Our knowledge of the biodiversity of the Southern Ocean is largely determined by the relative inaccessibility of the region. Benthic sampling is largely restricted to the shelf; little is known about the fauna of the deep sea. The location of scientific bases heavily influences the distribution pattern of sample and observation data, and the logistical supply routes are the focus of much of the at-sea and pelagic work. Taxa such as mollusks and echinoderms are well represented within existing datasets with high numbers of georeferenced records. Other taxa, including the species-rich nematodes, are represented by just a handful of digital records.
Journal Article
Sing like fish : how sound rules life under water
\"For centuries, humans ignored sound in the \"silent world\" of the ocean, assuming that what we couldn't perceive, didn't exist. But we couldn't have been more wrong. Marine scientists now have the technology to record and study the complex interplay of the myriad sounds in the sea. Finally, we can trace how sounds travel with the currents, bounce from the seafloor and surface, bend with the temperature and even saltiness; how sounds help marine life survive; and how human noise can transform entire marine ecosystems. In Sing Like Fish, award-winning science journalist Amorina Kingdon synthesizes historical discoveries with the latest scientific research in a clear and compelling portrait of this sonic undersea world. From plainfin midshipman fish, whose swim-bladder drumming is loud enough to keep houseboat-dwellers awake, to the syntax of whalesong; from the deafening crackle of snapping shrimp, to the seismic resonance of underwater earthquakes and volcanoes; sound plays a vital role in feeding, mating, parenting, navigating, and warning-even in animals that we never suspected of acoustic ability. Meanwhile, we jump in our motorboats and cruise ships, oblivious to the impact below us. Our lifestyle is fueled by oil in growling tankers and furnished by goods that travel in massive container ships. Our seas echo with human-made sound, but we are just learning of the repercussions of anthropogenic noise on the marine world's delicate acoustic ecosystems-masking mating calls, chasing animals from their food, and even wounding creatures, from plankton to lobsters. With intimate and artful prose, Sing Like Fish tells a uniquely complete story of ocean animals' submerged sounds, envisions a quieter future, and offers a profound new understanding of the world below the surface\"-- Provided by publisher.
Book
Introduction to key principles of aquaculture
According to FAO's (1989) proposal, aquaculture is the cultivation of aquatic organisms, such as fish, crustaceans, mollusks, and aquatic plants. Traditional stocking, feeding, and safety from predators, among other factors, are all aspects of farming widely used to boost production. Additionally, farming implies individual or corporate tenure of the farmed stock. Aquatic organisms that are exploited by people as a shared property resource with or without proper licensing are the fisheries harvest, whereas aquatic organisms that are reaped by personal or corporate bodies that owned them during their rearing duration contribute to aquaculture for statistical purposes. The utilization of living aquatic resources in a continuous system from capture to culture is what this volume on aquaculture is all about. The relationship between aquaculture, agriculture, and fisheries is examined in light of its fundamentals and potential. Aquaculture has always made use of entrenched ideas, methods, and technologies from the cultivation of terrestrial florae and faunae. Agriculture, aquaculture, and fishing all end up producing final products that compete with one another or complement one another, make use of similar technologies for processing, conservation, or marketing, and call for the same type of research. In specific chapters, the volume provides in-depth descriptions of the general principles and originality of aquaculture art.
eBook
Secrets of the sea
Traveling from the rock pools of the shoreline to the deepest depths of the ocean, a blending of illustrations and facts about marine animals provides an introduction to some of the ocean's rarely seen creatures.
BOOK
The Biology and Troubleshooting of Facultative Lagoons
Provides personnel a new understanding of how lagoon and fixed film sewage treatment systems work
* Tested in short-course situations by the author over the last 20 years
* Directs the material in a practical manner at operators who are responsible for process control and troubleshooting
* Reduces the jargon, chemical equations, and kinetics that overwhelm most operators and laboratory technicians
* Provides necessary information for understanding biological and chemical conditions at the treatment process
eBook