Where Pawpaw is a "Threatened Species"
State of New York
Washtenaw County MICHIGAN is the source and focal location where the idea for this Pawpaw Pollinator Watch project began. Opportunities for applying results are direct and obvious for indigenous peoples and thus there is great potential for enhancing reciprocity on tribal lands in this state. Study results may also benefit commercial growers of pawpaw in any state.
It is probably a stretch, however, for managers of natural areas "preserved/protected" by dominant culture to consider "intervening" for the purpose of encouraging fruit production in fruitless wild pawpaw patches whether that action be introducing genetic diversity, creating canopy gaps, or (least interventionist) enhancing habitat for nurturing crucial pollinators. Exceptions may include where tribal groups maintain gathering rights on "ceded" lands and where such groups advocate for management interventions of public lands toward that end.
Therefore, only in a state where pawpaw is regarded as imperiled could managers of nature preserves easily draw upon arguments from the "conservation" worldview and practice for intervening in ways that could augment the wellbeing and future viability of this species. NEW YORK is such a state. This, from the pawpaw entry of wikipedia:

Fortunately, basic research toward this end has already been completed and published for the northwestern region of New York where pawpaw is present, but only spottily and rare. The map below appears in a 2021 paper by Stephen Tulowiecki, a professor of geography at State University of New York, Geneseo:

"Modeling the geographic distribution of pawpaw (Asimina triloba [L.] Dunal) in a portion of its northern range limits, western New York State", by Stephen J. Tulowiecki, 2021, in Plant Ecology.
EXCERPT: "... Potential pawpaw habitat occurs on or near three reservations: Cattaraugus, Tonawanda, and Tuscarora Indian Reservations. Conservation or introduction of pawpaw on tribal lands may therefore present an opportunity for reciprocal restoration, described as a 'positive feedback relationship between cultural revitalization and land restoration' (Kimmerer 2011)."
Previous research by the same author (Tulowiecki, 2015) offers additional background by having mapped for one county in northwestern New York archeological, historic, and forest ecological evidence of the fullness of indigenous occupation and effects on the landscape. Although the focus was on mast-bearing trees (oak, hickory, chestnut) and thus pawpaw was not evaluated, this research can be used (in combination with the 2021 mapping) for identifying places to begin pawpaw restoration and enhancement in Chautauqua County:

"Native American impact on past forest composition inferred from species distribution models, Chautauqua County, New York", by Stephen J. Tulowiecki and Chris P.S. Larsen, 2015, in Ecological Monographs.
NOTE: Connie notified Prof. Tulowiecki, SUNY Geneseo about this Pawpaw Pollinator Watch project. While he found it "valuable and fascinating," several factors made it impossible for him to join in Spring 2021 fieldwork: (1) pawpaw patches in New York are few; (2) they are mostly on private property, (3) far from his campus, and (4) "pawpaw typically bloom in mid-May in western New York, after the end of the school year." Also, he mentioned that this being a "threatened species" in the State of New York, there may be requirements for gaining state authorization to work with this species. Nonetheless, he wrote, "I do have a few Seneca contacts that might be interested in collaborating, on the restoration side of things." Connie will post on this page if any collaborations with the Seneca in New York State (or elsewhere) do develop.
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Part 2
WILD PLANTING EXPERIMENTS
BASELINE DOCUMENTATION:
Pawpaw Patch along the Saline River of southern Michigan
PURPOSE: Photos and text of the SALINE RIVER wild patch are intended for learning pawpaw habitat preferences.
Later sections of this page will explore possibilities for wild planting in locations where pawpaw could thrive but are missing.

ABOVE: Pawpaw has a taproot, so it cannot grow in the lowest flood zone of a river. Connie Barlow is touching stems of the portion of the pawpaw patch closest to the Saline River, which is growing on the first rise. (December 2020)

ABOVE: A bit downstream from the previous photo, these two pawpaw stems are on the first rise barely above this very high flood stage. All green leaves in the foreground are pawpaw leaves. Pawpaw stems can grow very close together because, technically, they are the same individual tree. The photo below shows why. (September 2021)
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ABOVE: Pawpaw "patches" are formed primarily from vegetative stems (not roots) that grow horizontally just below the surface, and then send up a new vertical stem some small or moderate distance away. Apparently, the horizontal stems cannot grow through even small depressions that periodically flood. (December 2020)

ABOVE and BELOW: The vertical stems themselves live for no more than about 50 or 60 years and usually lean quite a bit out of the vertical. Even so, the patch as a whole can be centuries old (May 2021).


ABOVE and BELOW: Pawpaw annually regrows its large leaves, such that spring ephemerals find excellent and long-lasting habitat. (May 2021)


ABOVE: By the beginning of autumn, when the fruits begin to ripen, late-season ephemerals, such as nettles, have taken the place of the spring ephemerals. (24 September 2021)

ABOVE: Because this family of plants (Annonaceae) evolved many of its species long ago, pawpaw forged a relationship primarily with mammals large enough to swallow the big seeds whole along with the pulp. Passage through the animal's digestive system was not only a great way to achieve potentially long-distance seed dispersal, but a lump of fertilizer was an additional gift wherever the seeds were deposited. For the past 10,000 years bears and humans have become the primary seed dispersers.
In order to ensure safe passage through an animal, the seeds must fully mature and harden before the pulp does. Even if an unripe fruit falls early, animals tend to leave it alone: the skin and pulp remain unpalatable until fully ripe. Even insects avoid unripe fruit. As well, the seeds are and remain exceedingly poisonous to all mammals thus ensuring that rodents will not disturb them.
Poisonous seeds and thin, fragile skin easily bruised, as well as brown signifying a well-ripened fruit, means that this fruit still hasn't been turned into a commercial food. People do plant pawpaw orchards, but more for their own consumption and as a U-pick seasonal endeavor. (24 September 2021)

ABOVE: Experiencing an old-growth pawpaw patch (an ongoing mixture of old and new stems) is like nothing else in this region. Annonaceae is a huge family of tropical and subtropical plants, often with very large fruits (e.g., Cherimoya). No other species in that family extends as far poleward beyond the tropics as does Asimen on Turtle Island.

ABOVE: Connie Barlow filmed and posted a 36-minute video that shows this patch (in great detail) along the Saline River primarily during the fruiting season.
VIDEO: Helping Forests Walk 04 B - Is this an Old Growth Pawpaw Patch? (Michigan, 2021)