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Here are some abstracts from scientific research papers in the book Black
Bass: Ecology, Conservation, and Management,. American Fisheries Society Symposium 31. Edited by David P. Philipp and Mark S. Ridgway. ISBN: 1-888569-38-7. Published January 2003 The Use of Sanctuaries for Protecting Nesting Black Bass from Angling (Pages 371-378) Cory D. Suski, Frank J. S. Phelan, Mark F. Kubacki, and David P. Philipp Catch-and-release angling for bass during the brood-guarding stage can induce premature nest abandonment by the male parent, resulting in loss of the brood to predation. Significant levels of angling-induced brood loss can cause a population-level decrease in reproductive success. If that decrease in reproductive success translates into a decrease in recruitment, the population density and/or size structure of the bass population may be affected negatively. To avoid these potential problems, managers in some parts of North America have implemented regulations designed to protect nesting male bass while they are spawning and guarding their young. The purpose of this study was to determine if Voluntary Bass Conservation Zones (areas within a lake that are closed voluntarily to all angling until the bass spawning season is over) could be used to protect these highly vulnerable bass from angling. Our results demonstrate first that with sufficient levels of advertisement and community enforcement, a Voluntary Bass Conservation Zone can both reduce levels of angling for nesting bass and increase the reproductive success of the bass population within the zone. They demonstrate second, however, that a Voluntary Bass Conservation Zone that is not properly enforced can actually decrease bass reproductive success by attracting unscrupulous anglers to bass spawning areas, thereby increasing levels of angling for nesting bass. How Well Does a Closed Season Protect Spawning Bass in Ontario (Pages 379-386) Mark F. Kubacki, Frank J. S. Phelan, Julie E. Claussen, and David P. Philipp Current management strategies for largemouth and smallmouth bass sometimes incorporate seasonal closures in spring/early summer to protect bass during their reproductive periods. Our 12-year (1990-2001) field study investigated how well southern Ontario's closed bass fishing season matched the reproductive periods of nesting male largemouth bass Micropterus salmoides and smallmouth bass M. dolomieu in two lakes and two rivers in the region. Study areas within each system consisted of two-kilometer stretches of shoreline in which bass reproductive activity was monitored visually by divers. The data collected for each nesting male included species, egg deposition date, level of mating success, duration of parental care, and whether that male was successful or unsuccessful at producing surviving offspring to the free-swimming independent fry stage. Our results demonstrate that the extent of protection afforded nesting male bass through the use of the closed season varied significantly among water bodies and among years, reflecting the variation in spring warming rates. Smallmouth bass guarded their broods at the nest site significantly longer than largemouth bass and were, therefore, vulnerable to anglers longer. In addition, visual surveys of angling activity revealed that angler noncompliance with this regulation was common and even pervasive at some sites. The annual and geographic variation in the extent of protection afforded by the uniform seasonal closure indicates that a refinement of that regulation may be beneficial. Furthermore, the substantial levels of preseason angling observed in several of the study sites indicate that some other method of protection (e.g., sanctuaries or total closed seasons) may be more effective in many instances. "go-bassn" wrote in message ... Went prefishin today as Thundercat's coming down Sunday for some bed-fishing lessons. I was scanning a shoreline when I saw a huge bed in about 8 feet of water. It was clearly a smallmouth bed as the LM beds in this lake look entirely different & are generally shallower. There was an ominous dark shape on the bed, but at first I thought it too big to be a bass. A carp maybe? I flipped my 3" Zoom Tube on the bed & was thrilled to see the fish rush it immediately. No carp baby! I felt a solid thump on my line & set the hook, nothing. I reeled in & fixed the tube, dipped in in Smelly Jelly & pitched it back to the center of the bed. This time I just held my rod still with a semi-tight line & it slowly moved off to the right. I set hard & the big gal launched about a foot out of the water. She was huge, easily the biggest smallie I've ever hooked. After a breif battle I landed her. Sadly I had no scales but she may have gone 7 pounds, 6 at least. Made my day, ok my week. What a gorgeous fish. Hopefully she'll still be there when Harry comes down Sunday. Warren 8-) -- http://www.warrenwolk.com/ http://www.tri-statebassmasters.com |
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