Sentences with phrase «from systematic surveys»

Not exact matches

Durant, working with staff from the Office du Parc National de l'Ahaggar (OPNA), says the photographs were taken as part of the first systematic camera trap survey across the central Sahara, covering an area of 2,800 square kilometres.

Others simply attributed the surprising results to sweeping statistical extrapolations being made from very small numbers of events, or to systematic weaknesses in the MOA survey's observations and analyses that the 2011 paper's authors had failed to account for.

Last June, thanks to better equipment and higher visibility, students from the University of Hawaii Marine Option Program — a field school that teaches students how to survey shipwrecks underwater — were able to map the entire site and produce the first systematic photos and video documentation.

For this study, the researchers used photos from a systematic aerial survey of Greenland's glaciers conducted from 1978 to 1987.

Using the simulations we also quantify the systematic biases of our shapelet flexion and shear measurement pipeline for deep Hubble data sets such as Galaxy Evolution from Morphology and SEDs, Space Telescope A901 / 902 Galaxy Evolution Survey or the Cosmic Evolution Survey.

It would probably benefit from somebody first working out a set of question to measure the full spectrum of possible positions, and then to do some systematic surveying to find out the number of adherents to each among climate scientists, scientists generally, and the general public.

The very young children of unemployed mothers experience child care on a regular basis too.3 Figures from the National Household Education Survey in 2001 indicated that 53 % of 1 - year - olds and 59 % of 2 - year - olds received regularly scheduled child care in the United States.5 Are there systematic effects for young children of early child care experiences in the first two years of life?