Monarch Population Status
18 August 2023 | Author: Chip TaylorEastern Monarch Population I recently agreed to write up a brief update on the status of the population at the start of the migration. Sure, I said, that’s easy – I can write about the fact that the migration has started ...
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Monarch Watch Update July 2023
21 July 2023 | Author: Jim LovettThis newsletter was recently sent via email to those who subscribe to our email updates. If you would like to receive periodic email updates from Monarch Watch, please take a moment to complete and submit the short form at monarchwatch.org/subscribe/ Greetings ...
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Monarchs: Weather and population sizes in the past
21 July 2023 | Author: Chip TaylorMonarchs: Weather and population sizes in the past by Chip Taylor, Director, Monarch Watch If you have been reading about monarchs, you know they have declined in number. One account after another maintains that the population has declined 90% or, more conservatively, ...
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Monarch populations during the Dust Bowl years
17 July 2023 | Author: Jim LovettMonarch populations during the Dust Bowl years by Chip Taylor, Director, Monarch Watch Introduction The concern about the potential listing of monarchs as threatened or endangered by the Fish and Wildlife Service sometime in 2024 has led me to look into the conditions ...
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Monarchs: Reaching 50N and beyond
9 July 2023 | Author: Chip TaylorMonarchs: Reaching 50N and beyond by Chip Taylor, Director, Monarch Watch This text is all about the journey north by monarchs to reach 50N and beyond in Canada. And it’s based on first sightings data posted to Journey North. In this short ...
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The decline and recovery in western monarch numbers from 2020-2022
7 July 2023 | Author: Chip TaylorWhat data from iNaturalist tells us about the decline and recovery in western monarch numbers from 2020-2022 by Chip Taylor, Director, Monarch Watch In a previous post to this Blog (The Western monarch puzzle: the decline and increase in monarch numbers), I ...
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The pending decision: Will monarchs be designated as threatened or endangered?
14 June 2023 | Author: Chip TaylorThe pending decision: Will monarchs be designated as threatened or endangered? by Chip Taylor Introduction As many of you know the Fish and Wildlife Service (FWS), a division of the Department of the Interior, has been mandated to make a determination as to whether ...
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The Western monarch puzzle: the decline and increase in monarch numbers
29 May 2023 | Author: Chip TaylorPreamble The first draft of the text that follows was written without consulting the literature. I wanted to work out my interpretations without the weight of the points of view of others. While I drew on my memory of the literature ...
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Monarch Watch Update April 2023
30 April 2023 | Author: Jim LovettThis newsletter was recently sent via email to those who subscribe to our email updates. If you would like to receive periodic email updates from Monarch Watch, please take a moment to complete and submit the short form at monarchwatch.org/subscribe/ Greetings ...
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Monarch numbers: dynamics of population establishment each spring
27 March 2023 | Author: Jim LovettMonarch numbers: dynamics of population establishment each spring Chip Taylor, Director, Monarch Watch Introduction The short narratives that follow describe the outcomes of the timing and number of monarchs arriving from Mexico in March. Each cohort encounters different temperature scenarios in March and ...
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