ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
This chapter contains sections titled: Technological Attributes of OSS Commons, Community Attributes of OSS Commons, Conclusion
This chapter contains sections titled: “A Little Back and Forth”: The Changing Method of Coordination, “We Ran Over a Girl and It Was Good to Have a Mobile Phone”: The Mobile Phone as a Safety Link, “She Was Calling Me Like Every Day”: Parent-Child Relations in the Age of Mobile Telephony, Texting as ...
Trails created by off-road vehicles (ORV) in boreal lowlands are known to cause local impacts, such as denuded vegetation, soil erosion, and permafrost thaw, but impacts on stream and watershed processes are less certain. In Wrangell-St. Elias National Park and Preserve (WRST), Alaska, ORV trails have ...
Freshwater eels (genus Anguilla), especially the species inhabiting the temperate areas such as the European, American and Japanese eels, are important aquaculture species. Although artificial reproduction has been attempted since the 1930s and large numbers of studies have been conducted, it has not ...
This article draws comparative lessons from seven job satisfaction studies on marine capture fishing that were recently carried out in nine countries and three geographical regions—Asia, Africa, and the Caribbean. The seven studies made use of an identical job satisfaction assessment tool and present ...
Human disturbances, such as overfishing, may disrupt predator–prey interactions and modify food webs. Underwater surveys were carried out at six shallow-water reef barrens in temperate waters of northern-central Chile from October to December 2010 to describe the effects of predation, habitat complexity ...
Background The prophenoloxidase-activating (PO activating) system plays an important role in the crustacean innate immunity, particularly in wound healing and pathogen defense. A key member of this system is prophenoloxidase-activating enzyme (PPAE), which is the direct activator of prophenoloxidase ...
Discovery and development of new antitumor agents from abundant marine fish are attracting an increasing interest. In the present study, we extracted and purified a novel antitumor protein Syngnathusin from the whole body of Syngnathus acus L., a precious marine fish traditionally used for tumors. Syngnathusin ...
Sex ratio shifts in response to temperature are common in fish and reptiles. However, the mechanism linking temperature during early development and sex ratios has remained elusive. We show in the European sea bass (sb), a fish in which temperature effects on sex ratios are maximal before the gonads ...
A micro-bubble generating device is provided which is capable of mixing or dispersing micro-bubbles into a liquid with high stability and has a simple structure that permits reduction of a cost of manufacture. A first member and a first packing are superposed on each other on one side of a gas-permeable ...
The drag mechanism includes a friction disk, a cover member, a brake disk, and a drag adjusting mechanism. The friction disk is in a storage space of a first flange portion of a spool and has an engaging recess formed in an external circumferential surface. The cover member has a cylindrical portion ...
The invention relates to an artificial fishing lure having a sinker (1). Said lure has a front region (11) wherein catching means (11b) can be attached on the end (11a) thereof. Said lure further comprises a rear region (13) wherein mounting means (13b), particularly a fishing line, can be attached ...
Locking device (1) for a motor vehicle, comprising: a rotary latch (20) which is spring-biased rotatably supported in the opening direction and a latch contour (23) for locking a striker (S) to be engaged in locking engagement in the locking position of this, a catch hook (30) , which is rotatably mounted ...
Background In comparison to higher vertebrates, fish are thought to rely heavily on innate immune system for initial protection against pathogen invasion because their acquired immune system displays a considerably poor immunological memory, and short-lived secondary response. The endogenous antimicrobial ...
The process comprises obtaining a first surimi composition in the form of first raw pre-mix or surimi paste, cooking the first pre-mix for obtaining a first precooked pre-mix, shaping the precooked pre-mix to obtain elongated elements, scarifying the elongated elements by rollers equipped with scarifying ...
Background Fushi tarazu factor 1 (FTZ-F1) encodes an orphan nuclear receptor belonging to the nuclear receptor family 5A (NR5A) which includes adrenal 4-binding protein or steroidogenic factor-1 (Ad4BP/SF-1) and liver receptor homologue 1 (LRH-1) and plays a pivotal role in the regulation of aromatases. Methodology/Principal ...
Sex steroids mediate the expression of sexually dimorphic or sex-specific traits that are important both for mate choice within species and for behavioral isolation between species. We investigated divergence in sex steroid signaling between two sympatric species of threespine stickleback (Gasterosteus ...
Background In the southeastern tropical Pacific anchovy (Engraulis ringens) and sardine (Sardinops sagax) abundance have recently fluctuated on multidecadal scales and food and temperature have been proposed as the key parameters explaining these changes. However, ecological and paleoecological studies, ...
Background A thorough understanding of the contexts of sexual behaviour of the people who are vulnerable to HIV infection is an important component in the battle against AIDS epidemic. We conducted a qualitative study to investigate perceptions, attitudes and practices of sexually active people in ...