Development of the 2022 monarch population so far
18 May 2022 | Author: Chip TaylorPredicting how the population will develop each year is a challenge. As recently as the 22nd of April, we posted a rather dismal account of the status of the population. This assessment was based on reports to Journey North, iNaturalist ...
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Monarch Population Status
22 April 2022 | Author: Chip TaylorI have looked at a lot of monarch and weather data over the years in attempts to understand the factors that influence the development of the population. These factors include the number of monarchs returning to Texas from Mexico, whether ...
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How many hectares in 2021-2022?
6 January 2022 | Author: Chip TaylorEach year, at about this time, I administer a test – to myself. I have one question. How big, in term of hectares*, will the overwintering population be this year? Technically, I fail the test every time and expect to. ...
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Monarch Population Status
17 August 2021 | Author: Chip TaylorThe migration is underway! EASTERN MONARCHS As you may remember, earlier I offered that the recolonization this past May and early June of the summer breeding area was quite favorable. Monarchs generally arrived on time and in good numbers leading to a ...
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Monarch Population Status
25 February 2021 | Author: Jim LovettWorld Wildlife Fund Mexico in collaboration with CONANP and the Monarch Butterfly Biosphere Reserve (MBBR) announced the total forest area occupied by overwintering monarch colonies today. Nine (9) colonies were located this winter season with a total area of 2.10 ...
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Monarch Population Status
1 May 2020 | Author: Chip TaylorAs of yesterday (30 April), the numbers are only 4 and 16 and that’s the way I like 'em. The 4 is the number of sightings of monarchs North of 40°N on the Journey North website. Four is enough, I ...
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Monarch Population Status
20 April 2020 | Author: Chip TaylorI have a confession to make. Well, actually, several. First, at this writing (12 April), I have no idea as to whether the monarch population is likely to increase or decrease this year. The signals are mixed. March temperatures in ...
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Monarch Population Status
13 March 2020 | Author: Jim LovettWorld Wildlife Fund Mexico in collaboration with CONANP and the Monarch Butterfly Biosphere Reserve (MBBR) announced the total forest area occupied by overwintering monarch colonies today. Eleven (11) colonies were located this winter season with a total area of 2.83 ...
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Monarch Population Status
17 November 2019 | Author: Chip TaylorWhy overwintering monarch numbers will be lower this year I've had an answer in mind for weeks. It's been dogging me. The question that's the basis for this answer has many parts, and not all the parts have come together. It's ...
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Monarch Population Status
17 June 2019 | Author: Chip TaylorStage 4 (1 May–9 June) Update As I indicated in the Status of the Population post to the Monarch Watch Blog on 2 May, I partition the annual cycle into 6 stages in an effort to understand the interannual variation in ...
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