Abundance estimates and trends
Inter-annual and seasonal trends in cetacean distribution, density and abundance off southern California
... density estimates has a similar southern border, yet the northern boundary is 75 km south of the CalCOFI boundary and the study area extends further offshore, for a total of 318,500 km 2 , resulting in a stratum ...
15
Distribution, abundance and trends in abundance of fin and humpback whales in the North Atlantic
... present estimates of abundance for fin and humpback whales from the Northeast and Central portions of the survey ...The estimates are negatively biased because of whales diving during the passage of ...
24
Estimates of cetacean abundance in European Atlantic waters in summer
... if estimates from 1994 and 2005 are subject to negative bias and estimates from 2016 are not, assessment of trends in abundance over time would be confounded with this difference and ...
40
Trends in sandeel growth and abundance off the east coast of Scotland
... sandeel abundance. The demersal trawl and acoustic surveys do provide estimates of sandeel biomass in the sediment and water column, respectively (Greenstreet et ...sandeel abundance at a given ...
12
Characterizing Spatiotemporal Trends in Amphibian Abundance Using Latent Variable Models.
... populations at sites close together, but in separate states should exhibit vastly different patterns compared to populations in the same state that are separated by a much greater distance. There are exceptions to this ...
197
Aerial Survey Estimates of Abundance of the Eastern Chukchi Sea Stock of Beluga Whales (Delphinapterus leucas) in 2012
... the abundance and trends of western Alaska beluga ...Population abundance has been estimated for the Bristol Bay and eastern Bering Sea stocks (Lowry et ...2014). Abundance of the BS stock is ...
14
Effect of timing of count events on estimates of sea lice abundance and interpretation of effectiveness following bath treatments
... estimated abundance remains ...post-treatment abundance. To make appropriate treatment decisions and to monitor trends in resistance development over time, bath treatments should be regularly ...
21
Inter annual and seasonal trends in cetacean distribution, density and abundance off southern California
... seasonal estimates of cetacean density and abundance, and to investigate cetacean distribution patterns relative to habitat ...annual trends in occurrence, distribution and density for the six most ...
15
Asymptotic properties of OLS estimates in autoregressions with bounded or slowly growing deterministic trends
... The abundance of papers about models with particular types of trends testifies to the continuing interest in deterministic trends and calls for a general method that would be applicable to all ...
27
The Changing Abundance of Moths in a Tussock Grassland, 1962- 1989, and 50-Year to 70-Year Trends
... 1977). Estimates of minimum distances from very localised foods to a light-trap (Appendix I) are based on direct observations and do not imply that a food or habitat type is common or ...
18
Abundance Annex: Ape Population Abundance Estimates
... Notes on Tables 5 and 9: Gorillas are often sympatric with chimpanzees, meaning that they occupy the same geographic range. Biologists who survey great apes usually count their nests as proxies for the apes themselves; ...
41
Abundance Annex: Ape Population Abundance Estimates
... Notes on Tables 5 and 9: Gorillas are often sympatric with chimpanzees, meaning that they occupy the same geographic range. Biologists who survey great apes usually count their nests as proxies for the apes themselves; ...
43
The effect of animal movement on line transect estimates of abundance
... * [email protected] Abstract Line transect sampling is a distance sampling method for estimating the abundance of wild animal populations. One key assumption of this method is that all animals are detected at ...
15
Quantitative estimates of fish abundance from boat electrofishing
... Where numerous fish species are present, multiple removal boat electro-fishing can be useful to fully characterise fish assemblages (Meador, 2005).. The effectiveness of f[r] ...
8
CiteSeerX — Trends in abundance and biological characteristics of chum
... These trends in abundance and biological characteristics correlated with ocean ...the abundance and biological characteristics of chum salmon both in the ocean and in ...
9
Preliminary estimates of the abundance and fidelity of dolphins associating with a demersal trawl fishery
... resulting abundance estimates were for the distinctively marked population around the trawler only, the proportion of marked individuals was estimated and the abundance estimates corrected to ...
11
Trends and indicators for quantifying moth abundance and occupancy in Scotland
... the abundance indicator presented suggests a clear signal, some caution is needed given the relatively small number of traps within the RIS network in Scotland, and the tendency for the counts to be ...occupancy ...
15
Abundance Ratio Trends and Nucleosynthesis in Elliptical Galaxies and Spheroids
... different abundance ratios in different environments must be linked to different kinds of supernova or other en- richment ...an abundance pattern that shifts with overall ...the abundance ratios in ...
12
Trends and indicators for quantifying moth abundance and occupancy in Scotland
... species-level trends and multi-species indicators for moths in Scotland, to assess population (abundance) and distribution (occupancy) ...changes. Abundance trends for moths in Scotland are ...
13
OIL ABUNDANCE AND ECONOMIC GROWTH: A SIMPLE ANALYSIS OF ECONOMIC TRENDS
... the abundance of the oil resource will influence economic growth, the perceived ambiguity of the nature of this impact has constituted, in recent times, a source of debate amongst economic ...economic ...
10