everywhere, as it has done across Europe. Even in France, which competes with Ireland for the title of the EU’s most fertile member state, the total fertility rate dropped below reproduction level last year. Other European countries, including Germany, are most worried about how to raise it to get closer to a steady state and save the provisions for the elderly from collapse. The threat of an e...

The Johnson-Neyman technique is a statistical tool used most frequently in educational and psychological applications. This paper starts by briefly reviewing the JohnsonNeyman technique and suggesting when it should and should not be used; then several different modifications and extensions of the Johnson-Neyman technique, all of them conceptually simple, are proposed. The close relation betwee...

organisation KuzeyDog ̆a has for the past few years led studies of the carnivores in northeastern Turkey. With the first wolf-tracking project in Turkey, the research showed that these predators move much more widely than the confines of the protected areas. Within just two months they covered an area that was 13 times larger than the national park where they were caught and fitted with GPS/GSM ...

527 INTRODUCTION Native forest insects are the greatest forces of change in forest ecosystems of North America. In aggregate, insect disturbances affect an area that is almost 45 times as great as that affected by fire, resulting in an economic impact nearly five times as great (Dale et al., 2001). Of these natural agents of ecosystem disturbance and change, the bark beetles are the most obviou...