ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
Understanding the links between foraging behaviour and habitat use of key species is essential to addressing fundamental questions about trophic interactions and ecosystem functioning. Eight female grey seals (Halichoerus grypus) were equipped with time-depth recorders linked to Fastloc GPS tags following ...
The stress response is a suite of physiological and behavioral processes that help to maintain or reestablish homeostasis. Central to the stress response is the hypothalamic-pituitary-adrenal (HPA) axis, as it releases crucial hormones in response to stress. Glucocorticoids (GCs) are the final effector ...
Background Replication and assembly of vertebrate reoviruses occur in specific intracellular compartments known as viral factories. Recently, NS88 and NS80, the nonstructural proteins from aquareoviruses, have been proposed to share common traits with µNS from orthoreoviruses, which are involved in ...
Background Haff disease is unexplained rhabdomyolysis caused by consumption of fishery products in the previous 24 h. It was first identified in Europe in 1924 but the condition is extremely rare in China. Here we describe a past outbreak of acute food borne muscle poisoning that occurred in Guangdong ...
Abstract The paper describes a joint industry project (JIP) conducted to provide an independent review of the current Bureau of Safety and Environmental Enforcement (BSEE) regulations and the American Petroleum Institute (API) standards (including their historical development). The main objective of ...
Abstract Until around 1990 the main marine geohazard risk addressed solely from geophysical data was the presence of shallow gas. Presence had been described using a number of non-standard approaches for its potential presence - distinct from the actual risk it presented to operations. In the 1992 UKOOA ...
There is extensive evidence for an early vertebrate origin of lateralized motor behavior and of related asymmetries in underlying brain systems. We investigate human lateralized motor functioning in a broad comparative context of evolutionary neural reorganization. We quantify evolutionary trends in ...
The central assumption of evolutionary theory is that natural selection drives the adaptation of populations to local environmental conditions, resulting in the evolution of adaptive phenotypes. The three-spined stickleback (Gasterosteus aculeatus) displays remarkable phenotypic variation, offering ...
Abstract Husky Energy installed 14 ""frac-pack?? lower completions, 10 sub-sea horizontal trees, and 7 upper completions utilizing two 6-th generation deep water semi-submersibles in Block 29/26 of the Pearl River Marine Basin (PRMB) South China Sea between June 2011 and January 2013. On average, the ...
Abstract A unified and verifiable approach is outlined for the assessment of submarine sediment density flows (debris flows, high density and dilute turbidity currents) providing diagnostic criteria of their previous occurrence to inform forward-looking analyses. The assessment outlined includes development ...
Abstract In recent years, the number of subsea wells has increased steadily; a 2011 report estimated more than 5,500 worldwide. One of the key challenges the industry faces with subsea wells is generally lower recovery factors compared to wells with surface access. A key reason for this difference is ...
Background A 14-month prospective longitudinal study conducted in the Taabo health demographic surveillance system (HDSS), south-central Côte d’Ivoire, revealed high prevalence of anemia in different population groups in three types of settings (i.e., small town, village, and hamlet). Demographic parameters ...
Abstract The Gulfstar® FPS utilizes a standard Classic spar hull form (full depth, cylindrical hull) with a significantly shallower draft than previous Classic spars. Vortex Induced Motion (VIM) is a well-known but complicated phenomenon for cylindrical hulls and model testing is still the norm to ...
During the evolutionary transition from fish to tetrapods, a shift from uni- to bidirectional suction feeding systems followed a reduction in the gill apparatus. Such a shift can still be observed during metamorphosis of salamanders, although many adult salamanders retain their aquatic lifestyle and ...
Foragers can show adaptive responses to changes within their environment through morphological and behavioural plasticity. We investigated the plasticity in body size, at sea movements and diving behaviour of juvenile female New Zealand (NZ) sea lions (Phocarctos hookeri) in two contrasting environments. ...
Quantifying interaction strength between species is of interest in food web studies for understanding population dynamics. Theory has run ahead of experiment in solving equations describing ecological systems (the Lotka-Volterra equations, for example). Modeling approaches depend upon quantitative knowledge ...
Abstract Eight organic coating systems have been investigated according to their performance under Arctic offshore conditions. Three performance groups were considered: corrosion protection performance, performance under mechanical loads, and de-icing performance. The investigations involved the following ...
Abstract This presentation will provide an introduction into internationally and nationally regulated biofouling issues. The risk for spread of invasive aquatic species (IAS) via fouling from ship's hulls / other under water structures or ballast water is being focused upon more and more. IMO issued ...
Background Hematodinium perezi, a parasitic dinoflagellate, infects and kills blue crabs, Callinectes sapidus, along the Atlantic and Gulf coasts of the United States. The parasite proliferates within host hemolymph and tissues, and also produces free-swimming biflagellated dinospores that emerge from ...
Although rare species are often the focus of conservation measures, more common species may experience similar decline and suffer from the same threatening processes. We tested this hypothesis by examining, through an information-theoretic approach, the importance of ecological processes at multiple ...