2004
DOI: 10.1577/t03-047.1
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Decline of the Frecklebelly Madtom in the Pearl River Based on Contemporary and Historical Surveys

Abstract: Abstract.-The Pearl River has experienced numerous human-caused disturbances since the 1950s, including completion of a navigation channel, reservoir construction, and channel modifications on the main stem of the river. These types of disturbances are known to negatively impact the biotic and abiotic components of riverine ecosystems. Since the 1960s, several fish species in the drainage have declined in abundance or have been extirpated from the drainage. We undertook this study to assess the current conserv… Show more

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Cited by 24 publications
(38 citation statements)
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“…Two notable engineering structures are present near the Pearl/Bogue Chitto River study reaches. The first is the abandoned Pearl River navigational canal which intersects portions of both the Pearl and Bogue Chitto Rivers and was maintained for commercial use from 1956 into the 1970s (Piller et al, 2004). Since we observed calm water in the canal during a high water event, we assume that the canal has had few geomorphic consequences.…”
Section: Regional Settingmentioning
confidence: 97%
“…Two notable engineering structures are present near the Pearl/Bogue Chitto River study reaches. The first is the abandoned Pearl River navigational canal which intersects portions of both the Pearl and Bogue Chitto Rivers and was maintained for commercial use from 1956 into the 1970s (Piller et al, 2004). Since we observed calm water in the canal during a high water event, we assume that the canal has had few geomorphic consequences.…”
Section: Regional Settingmentioning
confidence: 97%
“…Examination of available museum records reveals a similar pattern in the Alabama and Tombigbee rivers (Table 1), with few collections after 1970 producing specimens, in contrast to the Cahaba River collections, in which N. munitus seems to have remained fairly common. While these museum datasets undoubtedly omit some records, a general trend similar to the findings of Piller et al (2004) is apparent.…”
Section: Discussionmentioning
confidence: 68%
“…Noturus munitus was once fairly abundant in appropriate habitat throughout its range, with night-time collections on large-river gravel shoals before the late 1960s regularly producing large collections of specimens in the hundreds (Supplementary Table 1, available only online at http://dx.doi.org/10.1656/S593.s1; Piller et al 2004). One of the most extensive analyses of historic population trends was conducted by using museum collection data from the Pearl River from 1950 to 1988.…”
Section: Discussionmentioning
confidence: 99%
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“…1), drains approximately 22,688 km² and is nearly 640 km in length. The ichthyofauna of the Pearl River system has been studied for more than half of a century (Gunning & Suttkus 1985, 1990, 1991Love & Taylor 2004;Piller et al 2004;Tipton et al 2004;Stewart et al 2005); however, no study has examined the assemblage structure dynamics of its fishes across time and space. The ichthyofauna of the Pearl River system has been studied for more than half of a century (Gunning & Suttkus 1985, 1990, 1991Love & Taylor 2004;Piller et al 2004;Tipton et al 2004;Stewart et al 2005); however, no study has examined the assemblage structure dynamics of its fishes across time and space.…”
Section: Study Areamentioning
confidence: 99%