WebT1 - Illinois Waterfowl Surveys and Investigations W-43-R-67 Annual Progress Report FY2024. AU - Yetter, Aaron P. AU - Fournier, Auriel M. V. ... This document is a product of the Illinois Natural History Survey, and has been selected and made available by the Illinois Natural History Survey and the University Library, ... Web24 sep. 2004 · This document is a product of the Illinois Natural History Survey, and has been selected and made available by the Illinois Natural History Survey and the University Library, University of Illinois at Urbana-Champaign. It is intended solely for noncommercial research and educational use, and proper attribution is requested.

Illinois Waterfowl Surveys and Investigations W-43-R-46, Annual …

WebOur main offices and laboratories are on the University of Illinois Urbana-Champaign campus, but our research is strengthened by studies conducted at field stations across … Web31 aug. 2016 · Objectives 1) Inventory abundance and distribution of waterfowl and other waterbirds (a minimum of 10 species and guilds) during autumn migration at a minimum of 30 sites along the Illinois and central Mississippi rivers of Illinois, 2) Estimate waterfowl and other waterbird population sizes (a minimum of 10 species and guilds) during … toomix 漫画

ILLINOIS NATURAL HISTORY SURVEY WATERFOWL AERIAL …

WebDuring spring 1999 the peak number of total ducks in the Illinois Valley was 260,715 as compared with 129,700 in spring 1998 and a 1994-1998 five-year average of 149,725. The peak number of mallards was 149,875 in 1999 as compared with 83,595 in 1998 and an average of 102,234 for 1994-1998. WebILLINOIS NATURAL HISTORY SURVEY WATERFOWL AERIAL INVENTORY DATA UPPER ILLINOIS RIVER VALLEY Date: Observer: Aaron Yetter ... TOTAL ILLINOIS … Web10 dec. 2024 · The early-week icing certainly impacted the weekly aerial waterfowl survey by the Illinois Natural History Survey, plus Joshua Osborn’s blog includes a mallard anomaly and a bad day for American ... to omit in a speech