The phrase "at present population" is not correct in written English.
It seems to be an incomplete expression and lacks clarity.
Example: "At present population levels, we need to consider resource allocation."
Alternatives: "current population" or "present population size".
At present, populations of C. hominivorax are found in Central and South America and in certain Caribbean Islands (4, 6, 7 ).
The rate of water consumption in most countries in the region already exceeds the harnessed renewable water supply: at the present population growth rate, the average annual available water per indigenous capita will drop further to ~100 m3 or less by the year 2020 (Håkan and Jägerskog 2006).
African penguin colonies are declining at an alarming rate - the present population is only 2.5% of its level 80 years ago.
There, in prehistoric times as at present, the population spread up the sides of the deep and narrow valleys in clusters of perhaps four to five houses, often with gardens, taro patches, and coconut and breadfruit trees in the immediate vicinity.
At present, Scottish populations number more than 150 birds, and a handful of white-tailed sea eagles have been reintroduced to Ireland.
At present, general populations are exposed to a large number of chemicals, each at a very low dose.
At present the populations of the TYP form are depressed due to overharvesting and possibly global climate changes [ 18, 19].
However, at present no population-based data are available on HPV prevalence across a broader age range of Chinese women, nor on the relative frequency of individual HPV types.
At present, wild populations comprise only about 1500 giant pandas in 6 isolated mountain ranges of China: Qinling (QLI), Minshan (MSH), Qionglai (QLA), Daxiangling (DXL), Xiaoxiangling (XXL), and Liangshan (LSH) [ 20, 21].
At present, chamois populations are classified into two species R. pyrenaica and R. rupicapra [ 13] on the basis of morphological and behavioural characters: Rupicapra pyrenaica (with the subspecies parva, pyrenaica and ornata) from southwestern Europe and R. rupicapra (with the subspecies cartusiana, rupicapra, tatrica, carpatica, balcanica, asiatica and caucasica) from northeastern Europe [ 14].
