Nitrogen critical loads for spruce plantations in Wales: is there too much nitrogen?

نویسندگان

چکیده

برای دانلود رایگان 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

Is There Too Much Criminal Law?

Is there too much criminal law? Are there too many overlapping criminal statutes, covering too much conduct, resulting in sentences that are too long? Douglas Husak says yes, and in this splendid book offers an original and persuasive explanation for why that is so. His argument for a “minimalist” conception of criminal law takes an elegant form. Chapters 2 and 3, which contain Husak’s theory a...

متن کامل

When there is too much light.

A great deal of importance has happened in research investigating photosynthetic response to environmental stress in the 25 years since the last anniversary issue of Plant Physiology. However, from my perspective, the importance of one set of discoveries stands out from the others for its far reaching influence on how we think about the photosynthetic response to a wide range on environmentally...

متن کامل

Effects of nitrogen deposition and empirical nitrogen critical loads for ecoregions of the United States

Human activity in the last century has led to a significant increase in nitrogen (N) emissions and atmospheric deposition. This N deposition has reached a level that has caused or is likely to cause alterations to the structure and function of many ecosystems across the United States. One approach for quantifying the deposition of pollution that would be harmful to ecosystems is the determinati...

متن کامل

Optimal Aminoglycoside Therapy Following the Sepsis: How Much Is Too Much?

Severe sepsis and septic shock are major problems as the result of high rates morbidity andmortality in intensive care units (ICUs). In the presence of septic shock, each hour of delay inthe administration of effective antibiotics is associated with a measurable increase in mortality.Aminoglycosides are effective broad-spectrum antibiotics that are commonly used in ICUs forthe treatment of life...

متن کامل

Is there too much "pulmonary" in cardiopulmonary resuscitation?

Cardiopulmonary resuscitation (CPR) can be an effective life-saving technique. Basic life support with chest compressions and rescue breathing is taught in a standard, rigid fashion, as if all cardiac arrests were the same, in part because of practical educational considerations.1 It is quite likely that optimal CPR varies, depending on the specific underlying and ongoing pathophysiology and pa...

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: Forestry

سال: 1996

ISSN: 0015-752X,1464-3626

DOI: 10.1093/forestry/69.3.205