Tenders Are Invited For Nature Reserve Services - Use Of Drone Technology In Cormorant Breeding Colonies On Lake Constance To Reduce Breeding Success As Part Of The Interreg Project Fish Species Protection And Cormorant Management On Lake Constance

Nature Reserve Services - Use Of Drone Technology In Cormorant Breeding Colonies On Lake Constance To Reduce Breeding Success As Part Of The Interreg Project Fish Species Protection And Cormorant Management On Lake Constance. The Drone To Be Used By The Contractor Must Meet The Following Requirements And Properties: - The Drone Must Be Able To Accurately Oil Cormorant Eggs In Tree Nests (At A Height Of 5 - 10 M). For Oiling, You Must Use A Cooking Oil (E.G. Rapeseed Oil Or Sunflower Oil), Which Is Colored With A Food Color (Color Does Not Matter). - The Drone Must Be Designed In Such A Way That It Can Also Be Flown Into The Colony From A Ship Or Platform Anchored In Lake Constance (Flight Distance 200 - 400 M One Way, Depending On The Water Level). A Ship Or An Anchored Platform For Take-Off And Landing Of The Drone And For Exchanging And Charging The Batteries And, If Necessary, For Setting Up Charging Technology Will Be Provided By The Client If Necessary. In Addition, If Necessary, A Boat To Transport The Drone And The Personnel Provided By The Contractor To Operate The Drone On Site At Lake Constance Will Be Organized By The Project Management. The Decision On This Will Only Be Made After The Contract Has Been Concluded As Part Of Joint Discussions Between The Contractor, Project Management And The Accompanying Group Of Experts. - The Drone Should Provide At Least 10 Minutes Of Flight Time Per Battery Charge. It Should Be Able To Transport An Oil Supply Of At Least 3 Liters; Approx. 30 Ml Of Oil Is Needed Per Egg. - When Using The Drone, Turbulence And Branch Movements Must Be Avoided. For Example, The Drone Can Be Placed Next To The Tree During The Oiling Process In Order To Bring The Oil Directly Over The Respective Nest In The Area Of ​​The Treetop Using A Controllable Extension Arm (4 - 6 M Long). - All Eggs In A Clutch Must Be Wetted With Oil So That Each Egg Is Completely Wetted With Oil. There Are Usually 2 - 5 Eggs In A Nest. Oiling Can Be Done, For Example, From Directly Above (10 - 30 Cm) Using A Spray Nozzle. The Precise Treatment Of The Eggs Must Be Able To Be Followed Live By The Drone Operator (E.G. Through A Camera At The End Of The Extension Arm). - The Technology For Charging The Batteries (E.G. Generator) Must Be Provided By The Contractor. It Is Important To Ensure That The Charging Technology Can Be Operated On A Ship Or An Anchored Platform If Necessary. - Alternatively, Sufficient Batteries Can Be Provided To Be Able To Use The Drone For A Day. The Drone Must Achieve A Daily Flight Time Of 5 Hours With Changing Batteries. - The Drone With Batteries And Charging Technology (If Necessary) Must Be Ready For Use On Site At Lake Constance By March 16, 2026 At The Latest. For Further Information, Please Refer To Document 3.1_001 Service Description.Pdf.

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