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# The impact of the C![:scale 3%](pics/coronavirus.png)VID-19 pandemic on birding and birds in India

## NCF Annual Meet <br> 12 October 2022

### Karthik Thrikkadeeri &middot; Ashwin Viswanathan

<div class="instt-logo-left"></div>

<div class="instt-logo-right"></div>

<div class="image-right"></div>

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<div class="my-footer-left">Slides <a href="kartrix-doujutsu.netlify.app/ncf-am2022-covid/">available online</a></div>

.right[
<div class="my-footer-right" style="font-size:0.7em; bottom:0px;"><i>Photo: Subhadra Devi</i></div>
]

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<div class="my-footer-left"><i>Photo: Ramesh Shenai</i></div>

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background-image: url("pics/paris_duck_dmitry_kostyukov.jpg")

<div class="my-footer-right"><i>Photo: <a href="https://www.nytimes.com/2022/07/16/science/pandemic-nature-anthropause.html">Dmitry Kostyukov</a></i></div>

---
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background-image: url("pics/paris_duck_dmitry_kostyukov.jpg")

> # .fancy[Anthropause]
> ### .fancy[/anθrəpɔːz/]

> a considerable global slowing of modern human activities, notably travel
> <br>
> [.right[Rutz et al., 2020]](https://www.nature.com/articles/s41559-020-1237-z)

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![:scale 78%](pics/soib-example.png)

???
There would be serious implications on how useful eBird data is, because it would affect our ability to use this data for large-scale analyses of bird abundance and distribution trends like SoIB.

---
class: middle, center

.pull-right[

.left[

![](pics/dive-snow.gif)

```r
> our_small_dataset
# A tibble: 34,653,868 x 30
```

]

]

--

.pull-left[

.middle2[
Data quantity

Data quality

Bird species reporting
]

]

???
We decided to explore how birdwatchers in India responded to the pandemic by taking a deep-dive into the data, and comparing various metrics.
Results would tell us how useful eBird data from the pandemic years is.

---
class: inverse, center, middle

# Timeline

???
"Depending on your constitution, you may feel either like the pandemic was ages ago, or as if it were just yesterday."
Greatest impact of pandemic on human activity was during the lockdown periods in both years, while other months saw highly variable impacts in different parts of the country, depending on policy, government, etc.

---
class: middle

<br>

<br>

<img src="index_files/figure-html/unnamed-chunk-4-1.png" width="100%" />

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# Resilient birders

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## Implications of changes in birder behaviour?

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<img src="index_files/figure-html/unnamed-chunk-9-1.png" width="100%" />

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Data quantity---completely unaffected

<div class="end-image-1"></div>

Data quality---slight changes due to birder behaviour

Species reporting---largely unaffected at large scale

Care to be taken with small-scale analyses

---
class: center, bottom

## eBird data still useful!

<br>

<br>

![](pics/luffy-happy.gif)

---

## Acknowledgements

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#### Funders

- Rohini Nilekani Philanthropies  
- Duleep Mathai Nature Conservation Trust  
- Cholamandalam Investment and Finance Co. Ltd.  
- National Centre for Biological Sciences

<div class="ack-funders"></div>

<div class="ack-self-1"></div>

<div class="ack-self-2"></div>

<br>

<br>

--

.center[
## Thanks to all birdwatchers and eBird editors!
]

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.pull-left[
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![:scale 70%](pics/peacock-line-art.png)  
.footnote[Image by Gordon Johnson ([source](https://pixabay.com/users/gdj-1086657/?utm_source=link-attribution&amp;utm_medium=referral&amp;utm_campaign=image&amp;utm_content=4220516))]
]
]

# Thank you!

#### Find me at...

.small[<svg aria-hidden="true" role="img" viewBox="0 0 496 512" style="height:1em;width:0.97em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;"><path d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3 .3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5 .3-6.2 2.3zm44.2-1.7c-2.9 .7-4.9 2.6-4.6 4.9 .3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3 .7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3 .3 2.9 2.3 3.9 1.6 1 3.6 .7 4.3-.7 .7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3 .7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3 .7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z"/></svg> [@rikudoukarthik](https://github.com/rikudoukarthik)]  
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Notes for current slide

Notes for next slide

The impact of the CVID-19 pandemic on birding and birds in India

NCF Annual Meet
12 October 2022

Karthik Thrikkadeeri · Ashwin Viswanathan

Anthropause

/anθrəpɔːz/

a considerable global slowing of modern human activities, notably travel
Rutz et al., 2020

There would be serious implications on how useful eBird data is, because it would affect our ability to use this data for large-scale analyses of bird abundance and distribution trends like SoIB.

> our_small_dataset
# A tibble: 34,653,868 x 30

> our_small_dataset
# A tibble: 34,653,868 x 30

Data quantity

Data quality

Bird species reporting

We decided to explore how birdwatchers in India responded to the pandemic by taking a deep-dive into the data, and comparing various metrics. Results would tell us how useful eBird data from the pandemic years is.

Timeline

“Depending on your constitution, you may feel either like the pandemic was ages ago, or as if it were just yesterday.” Greatest impact of pandemic on human activity was during the lockdown periods in both years, while other months saw highly variable impacts in different parts of the country, depending on policy, government, etc.

Resilient birders

Implications of changes in birder behaviour?

Data quantity—completely unaffected

Data quality—slight changes due to birder behaviour

Species reporting—largely unaffected at large scale

Care to be taken with small-scale analyses

eBird data still useful!

Acknowledgements

Funders

Rohini Nilekani Philanthropies
Duleep Mathai Nature Conservation Trust
Cholamandalam Investment and Finance Co. Ltd.
National Centre for Biological Sciences

Acknowledgements

Funders

Rohini Nilekani Philanthropies
Duleep Mathai Nature Conservation Trust
Cholamandalam Investment and Finance Co. Ltd.
National Centre for Biological Sciences

Thanks to all birdwatchers and eBird editors!

Image by Gordon Johnson (source)

Thank you!

Find me at...

@rikudoukarthik
@TrickDEerie
kartrick.rbind.io
karthik.t@ncf-india.org

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