Ozone in Spain's National Parks and Protected Forests

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

How Much is Too Much? Carrying Capacity of National Parks and Protected Areas

Increasing recreational use of national parks and protected areas can impact natural and cultural resources and the quality of the visitor experience. Determining how much recreational use can ultimately be accommodated in a park or protected area is often addressed through the concept of carrying capacity. Contemporary approaches to carrying capacity – including the Visitor Experience and Reso...

متن کامل

Motivations for recreating on farmlands, private forests, and state or national parks.

This study explores the importance of different motivations to visit three types of recreational settings--farms, private forests, and state or national parks. Data were collected via a mail-back questionnaire administered to a stratified random sample of households in Missouri (USA). Descriptive and inferential statistics reveal both similarities and discontinuities in motivations for visiting...

متن کامل

Normative Standards for Wildlife Viewing in Parks and Protected Areas

With increasing public interest in wildlife watching, there is a need to develop methods to better inform management of quality viewing opportunities. In this study, normative methods using indicators and standards of quality are applied at two diverse parks/ protected areas: a popular national park in Alaska and a lesser known wildlife refuge in New Hampshire. Three potential indicators of qua...

متن کامل

Fine-Tuning of a Protected Area Effectiveness Evaluation Tool: Implementation on Two Emblematic Spanish National Parks

As global biodiversity trends worsen, protected area (PA) environmental effectiveness needs to be assessed to identify strengths and areas to improve. Through a participatory process including PA managers and scientists, we refined the System for the Integrated Assessment of Protected Areas (SIAPA), in order to increase its legitimacy, credibility and salience to end users in Spain. Then, we te...

متن کامل

A national ozone biomonitoring program--results from field surveys of ozone sensitive plants in northeastern forests (1994-2000).

Ozone biomonitoring is a detection and monitoring technique that involves documenting ozone-induced visible injury to known ozone-sensitive species under conditions of ambient exposure. The USDA Forest Service administers a long-term, nationwide ozone biomonitoring program to address public and scientific concerns about ozone impacts on forest health. A systematic grid is used as the basis for ...

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: The Scientific World JOURNAL

سال: 2007

ISSN: 1537-744X

DOI: 10.1100/tsw.2007.8