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Keybot 9 Résultats  www.pac.dfo-mpo.gc.ca
  Écloserie du ruisseau R...  
Les oufs commencent leur incubation dans des «boîtes en vrac» qui contiennent chacune 330,000 oufs. Les oufs sont ensuite placés dans les canaux d'alevinage en épaisseur simple sur des grillages au-dessus des couches simples de gravier. L'eau coule horizontalement à travers les canaux.
Robertson Creek Hatchery also incubates 2.8 million chinook eggs in Japanese keeper channels. The eggs begin incubation in "bulk boxes" each of which hold 330,000 eggs. These eggs are removed to the keeper channels and stacked in single layers on screens above single layers of gravel. Water flows horizontally through the channels.
  Pêches et Océans Canada...  
Saviez-vous que la Première nation Namgis, avec ses propres fonds, a construit un passage à poisson où coule maintenant l’eau de l’écloserie afin d’assurer la protection contre les phoques des géniteurs de retour?
Did you know, the Namgis First Nation, with its own funds, built an Attraction Channel where the hatchery water now flows into. One very important reason for this is to protect the brood coming back from the seals.
  Écloserie du ruisseau R...  
Après la fécondation, les oufs sont incubés dans des incubateurs empilables pour une période variant entre 7 et 8 mois. Chaque plateaux contient environ 7,000 oufs. L'eau coule vers le bas des plateaux à un taux et à une température soigneusement contrôlés.
Eggs and sperm are stirred together in the incubation room. After fertilization, the eggs incubate in stacked trays for six to seven months. Each tray hold approximately 7,000 eggs. Water flows down through the trays at a carefully controlled rate and temperature.
  Écloserie de la rivière...  
La rivière Big Qualicum est un cours d'eau côtier typique. De sa source au lac Horne, la rivière coule sur approximativement 11 kilomètres (7 milles) jusqu'au détroit de Géorgie. Toutes les espèces de saumon du Pacifique retournent à la rivière Big Qualicum de même que la truite arc-en-ciel et la truite fardée.
The Big Qualicum River is a typical coastal stream. From its source at Horne Lake, the river flows approximately 11 km (7 mi) to the Strait of Georgia. All species of Pacific salmon return to Big Qualicum as do steelhead and cutthroat trout. Chum represent the highest production followed by good populations of coho and chinook.
  Pêches et Océans Canada...  
Des variations plus lentes sont provoquées par le mouvement à l'amarrage de l'eau de mer diluée par l'eau douce de la rivière Cowichan, qui coule dans l'océan juste à l'extérieur du bras de mer Saanich.
The surface layer of Saanich Inlet receives the largest amounts of freshwater input during the winter rainy season. At the mooring site, off Patricia Bay, storm runoff "events" from two local creeks cause large and abrupt decreases in 1m salinity. Slower variations are caused by movement past the mooring of seawater diluted by freshwater from the Cowichan River., which enters the ocean just outside Saanich Inlet. During late spring and summer, effects of the massive freshet of the Fraser River maintain the brackish surface layer. Because surface layer salinity remains lower than the value of S=31 which is typical of deeper waters, Saanich Inlet provides a strongly stable environment throughout the year, not just in the summer heating season.
  Écloserie du ruisseau T...  
Chaque plateau contient environ 7,000 oufs. L'eau coule vers le bas des plateaux à un débit et à une température qui sont soigneusement contrôlés. L'écloserie du ruisseau Tenderfoot est aussi responsable de l'incubation de 500,000 oufs de saumon kéta dans des " boîtes en vrac " situées dans les bassins d'alevinage intermédiaire.
Eggs and sperm are stirred together in the incubation room. After fertilization, the eggs incubate in stacked trays for three to four months. Each tray hold approximately 7,000 eggs. Water flows down through the trays at a carefully controlled rate and temperature. Tenderfoot Creek Hatchery also incubates up to 500,000 chum salmon eggs in "bulk boxes" located in the intermediate rearing troughs. These eggs are distributed at the "eyed" stage to a variety of public volunteer projects and school classroom incubators. Once the eggs hatch they are called alevins. When their yolk sac, a self contained food supply, has been consumed they are moved to rearing channels. At this stage they are called fry.
  Pêches et Océans Canada...  
L'eau profonde du détroit est renouvelée par des événements de renouvellement de l'eau profonde distincts (DWR) durant lesquels l'eau dense coule au-dessus des seuils et dans le bassin intérieur. Les événements peuvent être classifiés selon les deux catégories qui comportent le cycle annuel: les intrusions de la fin d'hiver apportent de l'eau froide et riche en oxygène, et les événements de la fin d'été apportent de l'eau chaude, saline et pauvre en oxygène.
The deep water of the Strait are renewed through discrete deep water renewal (DWR) events during which dense water flows over the sills and into the interior basin. The events can be classified into two categories which comprise the annual cycle: late winter intrusions bring cold, oxygen rich water, and late summer events bring warm, saline, low oxygen water. There are also important interannual variations in the deep water renewal seasons. The figure on the left shows how the warm deep water present in April 1999 had been displaced by colder water brought in by the cold spring intrusions.
  Pêches et Océans Canada...  
Ces événements sont provoqués par l'intrusion d'eau dense qui coule au-dessous du seuil de Boundary Pass, générant un courant de gravité qui suit la bathymétrie et pénètre le bassin profond du détroit.
The Strait of Georgia is connected with the open ocean through narrow constrictions and shallow sills. The central Strait is relatively deep (highlighted in blue in the figure on the right), reaching water depth of more than 400 m, well below the depth of the sill at Boundary Pass. The deep water mass is then isolated from the ocean shelf waters for most of the year. However, deep water intrusions occasionally penetrate the deep basin, displacing the ambient water mass. These events are caused by the intrusion of dense water that flows over the sill at Boundary Pass, generating a gravity current that flows along the bottom, into the deep basin. The figure on the right shows the positions of four current meter moorings, AS01, AS02, AS03, and AS04, along with the long term hydrographic station of Nanoose Bay, NB. Data collected at these stations were used to study deep water renewal events.