Replacement of culvert styles has minimal impact on benthic macroinvertebrates in forested, mountainous streams of Northern California
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چکیده
منابع مشابه
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The influence of physical factors and forest type on the distribution of benthic invertebrates in 43 New Zealand streams was investigated using a systematic survey technique. A small nucleus of common taxa was numerically dominant at most sites regardless of forest type. The mayfly, Deleatidium was found at 42 of the sites and was the most abundant taxon at 27. Other widely distributed genera w...
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Culvert replacements are commonly undertaken to restore aquatic organism passage and stream hydrologic and geomorphic conditions, but their effects on ecosystem processes are rarely quantified. The objective of this study was to investigate the effects of two culvert replacement designs on stream ecosystem processes. The stream simulation design, where culverts accommodate bankfull width and st...
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چکیده هدف اول این تحقیق بررسی تأثیر آموزش مصحح بر آموزش گیرندگان براساس پایایی نمره های آنها در پنج بخش شامل محتوا ، سازمان ، لغت ، زبان و مکانیک بود. هدف دوم این بود که بدانیم آیا تفاوتهای بین آموزشی گیرندگان زن و مرد در پایایی نمرات آنها وجود دارد. برای بررسی این موارد ، ما 90 دانشجو در سطح میانه (متوسط) که از طریق تست تعیین سطح شده بودند انتخاب شدند. بعد از آنها خواستیم که درباره دو موضوع ا...
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ژورنال
عنوان ژورنال: Limnologica
سال: 2014
ISSN: 0075-9511
DOI: 10.1016/j.limno.2014.02.002