Severity: Warning
Message: file_get_contents(https://...@pubfacts.com&api_key=b8daa3ad693db53b1410957c26c9a51b4908&a=1): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests
Filename: helpers/my_audit_helper.php
Line Number: 176
Backtrace:
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 176
Function: file_get_contents
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 250
Function: simplexml_load_file_from_url
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 1034
Function: getPubMedXML
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 3152
Function: GetPubMedArticleOutput_2016
File: /var/www/html/application/controllers/Detail.php
Line: 575
Function: pubMedSearch_Global
File: /var/www/html/application/controllers/Detail.php
Line: 489
Function: pubMedGetRelatedKeyword
File: /var/www/html/index.php
Line: 316
Function: require_once
Anthropogenic litter is one of the most important factors that influence recreation users and their activities because of its correlation to the river and environmental health. We monitored pollution levels on the Illinois river, near Tahlequah, OK for three months and surveyed the publics opinion on the issue. Our goal was to get this data to local and state management agencies to management practices to keep the scenic Illinois River clean. We found aluminum cans in the most abundant, while survey participants said cigarette butts were of highest observable abundance. A total of 170 people took the survey, and many of them want to see change on the river. Change may have to come from cooperation with commercial float operators.
Download full-text PDF |
Source |
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11632524 | PMC |
http://dx.doi.org/10.17912/micropub.biology.001363 | DOI Listing |
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