Subterraneous Flora and Fauna

نویسندگان

چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Learning from Semantic Flora & Fauna

We argue that for a personal agent working within a Semantic Web framework, machine learning is essential. We identify two topologies in the Semantic Web, and refer to these as: (1) semantic forests (disjoint trees) and (2) true semantic webs (complex interconnected graphs). An example of (1) is Citeseer BibTeX mapped to RDF; an example of (2) is FOAF, an RDF representation of people and their ...

متن کامل

Nutrient Effects on Spring Flora and Fauna

Many of Florida’s springs and spring runs are enriched in nitrate due to broad-scale contamination of groundwater supplies. This observation fosters two primary and interrelated concerns regarding the effects of nutrients on flora and fauna in spring systems. High nitrate concentrations can affect fauna directly through toxicity. In addition, high nitrate concentrations can promote eutrophicati...

متن کامل

FLORA, FAUNA, AND PALEOECOLOGY OF THE Brazil Formation of Indiana

PALEONTOLOGY AND THE EXPLOITATION of natural resources, particularly coal and limestone, have an old and firmly established connection. This is especially important in deposits of Pennsylvanian age, where coal mining has helped to fill the collection drawers of museums and universities across North America and Europe. Unlike most natural exposures, those created by mining frequently reveal whol...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Scientific American

سال: 1888

ISSN: 0036-8733

DOI: 10.1038/scientificamerican09221888-10612supp