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ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57

Baleen whale cortisol levels reveal a physiological response to 20th century whaling

One of the most important challenges researchers and managers confront in conservation ecology is predicting a population’s response to sub-lethal stressors. Such predictions have been particularly elusive when assessing responses of large marine mammals to past anthropogenic pressures. Recently developed ...

Fish diversity in the middle and lower reaches of the Ganjiang River of China: Threats and conservation

The Ganjiang River has abundant fish resources, which plays a significant role in maintaining and replenishing the fish resources in Poyang Lake and the Yangtze River, and contains important habitat for migratory fish. However, fish diversity has rapidly declined in the Ganjiang River, especially migratory ...

Astaxanthin Prevents Human Papillomavirus L1 Protein Binding in Human Sperm Membranes

Astaxanthin (Asta), red pigment of the carotenoid family, is known for its anti-oxidant, anti-cancer, anti-diabetic, and anti-inflammatory properties. In this study, we evaluated the effects of Asta on isolated human sperm in the presence of human papillomavirus (HPV) 16 capsid protein, L1. Sperm, purified ...

Practical measures for sustainable shark fisheries: Lessons learned from an Indonesian targeted shark fishery

Overfishing is a major threat to the survival of shark species, primarily driven by international trade in high-value fins, as well as meat, liver oil, skin and cartilage. The Convention on the International Trade in Endangered Species of Wild Fauna and Flora (CITES) aims to ensure that commercial trade ...

Structure, dynamics and predicted functional role of the gut microbiota of the blue (Haliotis fulgens) and yellow (H. corrugata) abalone from Baja California Sur, Mexico

The GI microbiota of abalone contains a highly complex bacterial assemblage playing an essential role in the overall health of these gastropods. The gut bacterial communities of abalone species characterized so far reveal considerable interspecific variability, likely resulting from bacterial interactions ...

Ontogenetic changes in swimming speed of silver carp, bighead carp, and grass carp larvae: implications for larval dispersal

Bighead, silver, and grass carps are invasive in the waterways of central North America, and grass carp reproduction in tributaries of the Great Lakes has now been documented. Questions about recruitment potential motivate a need for accurate models of egg and larval dispersal. Quantitative data on ...

Transcriptome and Proteome of Fish-Pathogenic Streptococcus agalactiae Are Modulated by Temperature

Streptococcus agalactiae is one of the most important pathogens associated with streptococcosis outbreaks in Nile tilapia farms worldwide. High water temperature (above 27°C) has been described as a predisposing factor for the disease in fish. At low temperatures (below 25°C), fish mortalities are not ...

Accumulation of Dinophysis Toxins in Bivalve Molluscs

Several species of the dinoflagellate genus Dinophysis produce toxins that accumulate in bivalves when they feed on populations of these organisms. The accumulated toxins can lead to intoxication in consumers of the affected bivalves. The risk of intoxication depends on the amount and toxic power of ...

Production of Selenomethionine-Enriched Bifidobacterium bifidum BGN4 via Sodium Selenite Biocatalysis

Selenium is a trace element essential for human health that has received considerable attention due to its nutritional value. Selenium’s bioactivity and toxicity are closely related to its chemical form, and several studies have suggested that the organic form of selenium (i.e., selenomethionine) is ...

An IoT Peripheral Sensor Integration to Assist Elderly Drivers

Due to gradually aging lifespan of elders in human society, a lot of new demands have been brought to facilitate their daily life. The elder driving assistive technology is one of the demands. The elder driving assistive technology is not only beneficial in increasing safety of the driver and the people ...

Environmental DNA analysis of river herring in Chesapeake Bay: A powerful tool for monitoring threatened keystone species

Environmental DNA (eDNA) sampling has emerged as a powerful tool to detect and quantify species abundance in aquatic environments. However, relatively few studies have compared the performance of eDNA-based abundance estimates to traditional catch or survey approaches in the field. Here, we have developed ...

Potential Impacts of Seabed 2030 on Arctic Resource Development

Abstract The world's oceans are critical to sustaining life, controlling climate, and providing economic wealth. Despite this fact, our understanding of the ocean and its seafloor processes is limited, in part because we lack accurate ocean mapping data. The situation is dramatic in the Arctic, where ...

Resolving the Un-Delimited Arctic Boundary Between Canada and the United States in the Beaufort Sea by Using a Law-and-Science Approach

Abstract Fewer than half of the 500 or so potential maritime boundaries in the world have been agreed, creating uncertainty not only for the coastal States involved but also for their investors active in the offshore oil and gas industry. The complex process of agreeing and fixing boundaries or of ...

Feedback-Based Informative AUV Planning from Kriging Errors

This paper presents a methodology to find a feedback-based plan for AUVs to visit important locations to estimate spatiotemporal fields. A model based on Kriging method is created containing predictions and errors in prediction. These errors are then used to develop a reward function that gives a high ...

Real-time maritime situation awareness based on deep learning with dynamic anchors*

Situation awareness in maritime environment entails early detection and classification of maritime targets of varying sizes, depths, shapes, textures, and contrasts. Thus, this paper describes a novel deep learning based maritime situation awareness approach using high-definition video. Maritime object ...

Smart Agriculture Using Internet of Things

Recent researches hypothetically shown the potential of Internet of Things (IoT) to change major industries for a better world, which includes its impact towards the agriculture industry. Farming industry must grasp IoT to feed 9.6 billion of global population by 2050. Challenges such as extreme weather ...

Evaluation of Building Yacht Wharf with Fishing Port

Fishing industry has changed dramatically in the past decades. There has been many unforeseen challenges and difficulties due to these changes within the industry, resulting in shortage of fishing vessels within the territorial water of Taiwan and eventually leading to additional space that could not ...

The Industrial IoT for Nusantara

IoT (Internet of Things) is the most important technical applications of engineering advancement in the world today, through Industrial Revolution - Industry 4.0. Since people uses phone for more than just daily communication devices, but as wireless smart devices in accessing / processing / sending ...

DP in Ice Environment – Improving Safety and Efficiency of Arctic Operations: An Update

Abstract The objective of this paper is to present an update of various research activities of a multi-year research and development project aiming at developing dynamic positioning (DP) system technologies specifically for ice-rich environments. Since the beginning of the project in 2014, significant ...

Development of an Automated Data Acquisition System for Hydroponic Farming

There have been numerous technological advancements in the field of agriculture in recent years. One of which is hydroponic farming - a soil-less method of cultivating crops using nutrient enriched water. While hydroponic farming has numerous advantages, the methods are more complicated than those of ...

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