EurekaMag.com logo
+ Translate

Estimation of nektonic insect populations


, : Estimation of nektonic insect populations. Freshwater Biology 18(1): 105-108

1. A water column sampler is described for obtaining absolute population estimates of nektonic insects in shallow waters. 2. Relative population estimates were obtained for Corixidae (Hemiptera) and Buenoa (Hemiptera: Notonectidae) using a standardized sweep net procedure and compared to absolute estimates from column samples. These two types of estimates were highly correlated among lakes. 3. Simultaneous prediction and tolerance intervals for predictions from linear regressions indicated that reliable absolute population estimates generally cannot be expected from relative estimates.

Accession: 002373318

DOI: 10.1111/j.1365-2427.1987.tb01298.x

Download PDF Full Text: Estimation of nektonic insect populations


Submit PDF Full Text

No spam - Every submission is manually reviewed

Due to poor quality, we do not accept files from Researchgate

Submitted PDF Full Texts will always be free for everyone
(We only charge for PDFs that we need to acquire)

Select a PDF file:
Close
Close

Related references

Johnson, C.G., 1951: The study of wind-borne insect populations in relation to terrestrial ecology, flight periodicity and the estimation of aerial populations. Many studies on general insect aerial populations have suffered from a tendency to treat the aerial population as a whole and, by disregarding the population ecology and behavior of closely related groups, to fail to distinguish important factors...

Anonymous, 1989: Estimation and analysis of insect populations. The papers in this volume were presented at a symposium held at the University of Wyoming, Laramie, in January 1988. There are 35 papers in 4 subject areas: analysis of stage-frequency data; modelling population dynamics; analysis of spatial data;...

Delong, D.M., 1932: Some Problems encountered in the Estimation of Insect Populations. Factors causing variation in the numbers caught in attempts to obtain representative samples of certain types of insects, such as leaf-hoppers, with sweep nets are discussed. The proportion of insects captured will vary greatly, even if one person...

Collyer, E., 1951: A Method for the Estimation of Insect Populations on Fruit Trees. A description is given of a method for the accurate estimation of insect populations that was adopted for use on apple in south-eastern England in 1950 during investigations on the predators of the fruit-tree red spider mite (C.

Gromova, Aa, 1970: Ultraviolet traps for the estimation of populations of insect pests

Auer, C., 1975: Dendrometric bases and methods for the estimation of absolute insect populations. A method for estimating absolute populations of insects on trees, based on knowledge of the structure of the tree crown, that was used in 1960-69 in investigations on Zeiraphera diniana (Gn.) on larch in the Upper Engadine Valley, Switzerland, is...

Pruess, K.P.; Saxena, K.M.L.; Koinzan, S., 1977: Quantitative estimation of alfalfa insect populations by removal sweeping. Insect populations were estimated from the reduction in catches in successive sweep samples taken from the same area. A model is provided which assumes that the probability of collecting an insect may change with successive samples. This model see...

Auer, C., 1975: Dendrometric fundamentals and methods for the estimation od absolute insect populations. Data on the quantity of foliage in tree crowns is required to convert relative population estimates into absolute values. Studies were made on sample trees of Larix decidua in the upper Engadine, Switzerland, in connexion with research on Zeiraphe...

DeLong, D.M., 1932: Some problems encountered in the estimation of insect populations by the sweeping method. Annals of the Entomological Society of America, 25: 13-17

Sugimoto T., 1977: Estimation of the stage specific survival rate in a certain kind of insect populations. Memoirs of the Faculty of Agriculture of Kinki University 10: 23-27