I manage the iNat project for a park which previously had a published plant list of 400 species. With iNat data and curation by @graysquirrel that list is now close to 800 species, and new species are still being documented in the park. In analyzing these data, I’d like to ask the question “with con…

getting data from the API is fairly straightforward. each point in your curve could be obtained by getting the total_results value from /v1/observations/species_counts, setting d2 (observed date) or created_d2 (submit date) parameter value equal to the date of the particular point of interest. (i’m …

I agree that downloading and plotting the data are fairly trivial. I usually work in R, and simply plotting the data based on all ~30K observations we have so far wouldn’t take more than a few minutes of work. The complication is that the assumptions that underpin a classical Species Accumulation C…

i looked at your example again, and i guess i didn’t look carefully enough. i thought you were trying to plot cumulative species observed over time, but it looks like your curve is actually sort of a cumulative count of species at different sample population levels. i’ve obviously never worked with…

This is a good question, and one I’ve thought about too, but I haven’t yet come up with a clean way to do it. I’ve thought about in in the context of using iNat data to estimate how many exotic plants are in New Zealand (something nobody has a good estimate of at the moment). I expect events like t…

Take a look at this old comment of mine: [image] At what point do you stop searching for new species in a defined area? The 2019 International Congress for Conservation Biology conference in Kuala Lumpur had a plenary talk, Rarefaction and Extrapolation: Standardizing Samples to Make Fair Compar…

Risky, but List Length Analysiss ? Occupancy modeling is to complicated List Length Analysis confirmed suspected species declines and increases. This method is an important complement to systematically designed intensive monitoring schemes and provides a means of utilizing data that may otherwi…

I was curious and put together a quick one for my arthropod observations in Bernalillo County, NM, and for all users’ observations in the county. The x-axis is time for simplicity, so it could be improved. [image] [image]

Seems like we’re potentially approaching the limit for Cactaceae in Bolivia [image] Data retrieved using the ‘observations/species_counts’ endpoint for several years between 1990 and 2022 and analysed in LibreOffice Calc.

Species Accumulation Curves for iNat data

General

marina_gorbunova December 31, 2022, 12:31am 5

This experience may be useful for you https://forum.inaturalist.org/t/at-what-point-do-you-stop-searching-for-new-species-in-a-defined-area/16904

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Using Inat data for relative abundance? General	17	809	October 31, 2024
At what point do you stop searching for new species in a defined area? Nature Talk	94	5633	July 6, 2024
Not an unbiased dataset General	36	4046	October 4, 2020
Improving Data Quality General	33	1445	June 13, 2022
Biases in iNat data General	88	8491	July 15, 2021

Species Accumulation Curves for iNat data

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