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Cryptic diversity among Yazoo Darters (Percidae: Etheostoma raneyi) in disjunct watersheds of northern Mississippi

The Yazoo Darter, Etheostoma raneyi (Percidae), is an imperiled freshwater fish species endemic to tributaries of the Yocona and Little Tallahatchie rivers of the upper Yazoo River basin, in northern Mississippi, USA. The two populations are allopatric, isolated by unsuitable lowland habitat between ...

Critical Offshore Field Development Projects –Why Work Outside of Strict Timelines?

Abstract Overcoming environmental challenges to develop offshore oil fields remains daunting for engineers who must balance economic feasibility with environmental protection, often within limited timelines before first oil commitments. A critical examination of Saudi Arabia's field development cases ...

Challenges and Recommendations for Environmental Compliance for Marine Renewable Energy: Avoiding Issues Early for Efficient Permitting and Practicable Mitigation

Abstract Marine renewable energy is a relatively new phenomenon that is becoming cost-competitive with traditional sources of energy. Marine hydrokinetic energy (MHK), as it moves to commercial scale, will be subject to myriad laws and regulations associated with wildlife impacts and efforts to avoid ...

An automated aquatic rack system for rearing marine invertebrates

Background One hundred years ago, marine organisms were the dominant systems for the study of developmental biology. The challenges in rearing these organisms outside of a marine setting ultimately contributed to a shift towards work on a smaller number of so-called model systems. Those animals are ...

Ecosystem state change in the Arabian Sea fuelled by the recent loss of snow over the Himalayan-Tibetan Plateau region

The recent trend of global warming has exerted a disproportionately strong influence on the Eurasian land surface, causing a steady decline in snow cover extent over the Himalayan-Tibetan Plateau region. Here we show that this loss of snow is undermining winter convective mixing and causing stratification ...

Small is beautiful, but large is certified: A comparison between fisheries the Marine Stewardship Council (MSC) features in its promotional materials and MSC-certified fi...

The Marine Stewardship Council (MSC) sets a standard by which sustainable fisheries can be assessed and eco-certified. It is one of the oldest and most well-known fisheries certifications, and an estimated 15% of global fish catch is MSC-certified. While the MSC is increasingly recognized by decision-makers ...

Microplastics in Lake Mead National Recreation Area, USA: Occurrence and biological uptake

Microplastics are an environmental contaminant of growing concern, but there is a lack of information about microplastic distribution, persistence, availability, and biological uptake in freshwater systems. This is especially true for large river systems like the Colorado River that spans multiple states ...

A Comparison of Stakeholder Engagement Strategies for Offshore Decommissioning Projects in the United Kingdom and Australian Landscape

Abstract Stakeholder engagement is a critical element in offshore decommissioning projects. If stakeholders are engaged well, it can bring benefits to the decommissioning project through cost reduction, improved scheduling, and improved relationships. However, if stakeholders are antagonized, the influence ...

Mappatura degli impatti cumulativi sui servizi ecosistemici costieri nella Columbia Britannica

I servizi ecosistemici sono influenzati dalla limitazione della fornitura di servizi, dalla limitazione dell'accesso ai servizi e dall’impatto sulla qualità dei servizi. Mappiamo gli impatti cumulativi su 8 diversi servizi ecosistemici nella Columbia Britannica costiera utilizzando modelli InVEST, dati ...

Does a cannibal feeding strategy impart differential metabolic performance in young burbot (Lota lota maculosa)?

Abstract The practice of mitigating cannibalism in aquaculture is an important focus for hatcheries seeking to maximize yield and has been maintained in hatcheries focusing on wild stock restoration. We hypothesize, however, that a cannibal feeding strategy may confer performance advantages over a ...

A Passive Detection Method of Divers Based on Deep Learning

This paper analyses the time-frequency spectrum characteristics of a diver’s inspiration signals collected by a passive sonar and presents a passive detection method of divers by taking the diver’s inspiration signals as the keywords of a detection model, which is built by data synthesis and convolutional ...

PiSCES: Pi(scine) stream community estimation system

The Piscine Stream Community Estimation System (PiSCES) provides users with a hypothesized fish community for any stream reach in the conterminous United States using information obtained from Nature Serve, the US Geological Survey (USGS), StreamCat, and the Peterson Field Guide to Freshwater Fishes ...

Uncharted digenean diversity in Lake Tanganyika: cryptogonimids (Digenea: Cryptogonimidae) infecting endemic lates perches (Actinopterygii: Latidae)

Background Lake Tanganyika is considered a biodiversity hotspot with exceptional species richness and level of endemism. Given the global importance of the lake in the field of evolutionary biology, the understudied status of its parasite fauna is surprising with a single digenean species reported ...

The bat meat chain and perceptions of the risk of contracting Ebola in the Mount Cameroon region

Background Local people’s interaction with bats render them vulnerable to Ebola Virus Disease (EVD). This paper examines perceptions of risk involved in the hunting, handling, processing and consumption of bat meat in the Mount Cameroon region of Southwest Cameroon. It focuses on the myriad cultural ...

Experimental Analysis of a Laboratory-Scale Diesel Engine Exhaust Heat-Driven Absorption Refrigeration System as a Model for Naval Surface Ship Applications

Decreasing industrial energy sources and major environmental problems caused by uncontrolled energy consumption have led to studies on alternative energy sources. This study presents a design and experimental analysis of an exhaust gas-driven absorption refrigeration system for the purpose of air conditioning ...

Statistics and Analysis of Main Parameters of Ocean Fishing Vessels in China

The design of ocean-going fishing vessels usually has to consider their main parameters. In this paper, based on the data of more than 2,000 fishing vessels provided by the Fisheries and Fisheries Administration of the Ministry of Agriculture and Rural Affairs, the main parameters of fishing tackle ...

Study of an Integrated Intelligent System for Building Windows and Vehicle Management of Plant

With the advancement of radio frequency identification, wireless sensor networks, middleware, cloud computing and related applied software, the internet of things has been widely applied to agriculture, industry, fishing industry and logistics. Application of internet of things has changed the operation ...

Spatio-Temporal Data for GNSS Monitoring of Marine Application

The following topics are dealt with: Petri nets; cloud computing; resource allocation; inertial navigation; wireless mesh networks; disasters; regression analysis; mean square error methods; multilayer perceptrons; and Unified Modeling Language.

Evaluation of Requirements for the Design of Water Resource Management ICT Model for Integrated Water Resources Management: The case of Management of Lake Victoria Basin

The paper addresses the use of partial least square-structural equation modelling (PLS- SEM) technique to evaluate the requirements for a design of a water resource management (ICT) model for an integrated water resource management. Researchers employed a quantitative approach using smart-PLS version ...

Shape-Based Vessel Trajectory Similarity Computing and Clustering: A Brief Review

With the widespread application of the Automatic Identification System (AIS) in maritime management, a large amount of vessel motion information is recorded. The AIS data has become the key to maintaining vessel navigation safety and traffic supervision, and has promoted the extensive research of data ...

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