Tree death is not always preceded by a visible decline in vigor (canopy dieback) or progressive loss crown volume. Identifying early-warning signals of incipient can help to implement the necessary measures prevent tree death. The aim this work understand what functional alterations massive drought-induced adult Pinus canariensis trees an arid stand, located Canary Islands. To aim, we analyzed ...

Merino lambs born in September and October 1964 were weaned at 4, 6 and 11 weeks of age, at average liveweights of 9 kg, 12 kg, and 19 kg respectively, on to a pasture of phalaris and white clover. The lambs remaining with their mothers for 11 weeks showed the earliest onset of an appreciable worm infection which reached a peak in December about one month after weaning. Similar levels of infect...

An early English explorer of North America, Captain John Smith reported use of a wild food called mattoume by native inhabitants of Virginia. Botanical identification of mattoume has been a mystery. In an attempt to solve the mystery of which plant species Captain Smith observed, I compare the botanical descriptions of wild rice and several other possible species that were mentioned either in s...

Fifty two crossbred ewes conceiving to a synchronised oestrus in January 1987 were ultrasound scanned for littersize and subsequently allocated according to littersize to twogroups (Lupin or Sorghum grain). The ewes grazed on dry Phalaris/clover pastures with supplementation (200 g/h/d) commencing 'at 100 days post conception at a rate of 200 g/h/d and continuing until parturition at which time...

Los milpiés (Diplopoda) son detritívoros que viven generalmente ocultos dentro del suelo y la hojarasca, en mayoría de las especies poco se conoce sobre su biología. Esto es especialmente cierto el caso los enigmáticos Colobognatha, como Hirudicryptus canariensis, un sifonócriptido endémico bosques laurisilva Macaronesia. Hasta ahora, nadie ha reportado observaciones Siphonocryptida vivo. Aquí ...

>Raoiella indica or red palm mite, is reported for the first time from Mexico City. It has now been found at 2244 masl which highest elevation documented species. Most of specimens were collected underside Canarian palms (Phoenix canariensis Chabaud) fronds, however it registered on upper side as well. Some also robellini roebelenii O'Brien).