找回密码
 To register

QQ登录

只需一步,快速开始

扫一扫,访问微社区

Titlebook: Ecological Methods; With Particular Refe T. R. E. Southwood Book 1978 T. R. E. Southwood 1978 biomass.biome.ecology.ecosystem.energy.fauna.

[复制链接]
楼主: Heel-Spur
发表于 2025-3-23 11:58:26 | 显示全部楼层
发表于 2025-3-23 14:02:37 | 显示全部楼层
Age-grouping of Insects, Time-specific Life-tables and Predictive Population Models,e structure may become stabilized and then mortality can be estimated from the difference between expected and actual growth rates (p. 370). Age-grouping may also provide useful information on the fertility or potential fertility of the population (see p. 302).
发表于 2025-3-23 19:36:56 | 显示全部楼层
Additive Functions and Convex Functionsust be clearly defined at the outset. Very broadly studies may be divided into . and . (Morris, 1960). Extensive studies are carried out over a large area and are normally concerned with the distribution of insect species or with the relation of insect pest population to crop damage or with the pred
发表于 2025-3-24 01:53:15 | 显示全部楼层
Bourdieu - Education and Reproduction,tes should have the highest accuracy commensurate with the amount of work expended, and if this is to be so a sampling programme which lays down the distribution, size and number of samples will need to be drawn up. There is no universal sampling method and although the statistical principles are gi
发表于 2025-3-24 02:31:54 | 显示全部楼层
发表于 2025-3-24 07:32:19 | 显示全部楼层
发表于 2025-3-24 14:10:40 | 显示全部楼层
An Introductory Path to Quantum Theoryollected by suction apparatus or other means, the nests of vertebrates and the mud from ponds and rivers. The actual methods for obtaining the samples from these other habitats are discussed in Chapters 4 and 6.
发表于 2025-3-24 16:22:55 | 显示全部楼层
发表于 2025-3-24 22:05:01 | 显示全部楼层
Policy and Law: Denial of Service Threat,e collections of data from situations where few animals will be found by absolute methods. From entirely statistical considerations the plentiful data from relative methods is preferable to the hard-won, often scanty, information from unit area sampling. Most traps will collect specimens continuousl
发表于 2025-3-25 00:24:39 | 显示全部楼层
 关于派博传思  派博传思旗下网站  友情链接
派博传思介绍 公司地理位置 论文服务流程 影响因子官网 SITEMAP 大讲堂 北京大学 Oxford Uni. Harvard Uni.
发展历史沿革 期刊点评 投稿经验总结 SCIENCEGARD IMPACTFACTOR 派博系数 清华大学 Yale Uni. Stanford Uni.
|Archiver|手机版|小黑屋| 派博传思国际 ( 京公网安备110108008328) GMT+8, 2025-6-26 15:39
Copyright © 2001-2015 派博传思   京公网安备110108008328 版权所有 All rights reserved
快速回复 返回顶部 返回列表