castAway <
no@where.com> wrote:
# Change in Biodiversity Not in Danger
Citation: SONI-NETO, J. Change in biodiversity not in danger. Biodiversity Blog, Dec. 2021. Available at: <https://biodiversidade.github.io/>.
Free and independent research. Brasil, 2021.
Open Access Scientific Research (CC BY 4.0).
jamilbio20 [at] gmail [dot] com
## ABSTRACT
...
A self-published paper that has a self-contradiction
in the title (i.e. "change" and "not a danger").
promoted by an anonumous poster, Wow.
From more conventional sources:
Even though permanent global species loss is a more dramatic and tragic phenomenon than regional changes in species composition, even minor
changes from a healthy stable state can have dramatic influence on the
food web and the food chain insofar as reductions in only one species
can adversely affect the entire chain (coextinction), leading to an
overall reduction in biodiversity, possible alternative stable states
of an ecosystem notwithstanding.
-- wikipedia
We can quickly check to see whether there is any known
predator/prey relationship that may fall inder this papergraph.
It doesn't take an AI program to find Polar Bears vs Seals.
It's been well-known for 50 years to population of seals in
the Arctic region has declined precipitously. With our pals
the icebjorn depending on this food source we would therefore
expect this decline to "adversely affect the enture chain" as above.
The data from Canada and Norway seal catches since the 1950s
are as follows:
Year Norway Canada
(annual seal catch in 1000s)
1955 295 81
1960 216 121
1965 140 51
1970 188 40
1975 112 33
1980 60 37
1985 19 5
1990 15 25
1992 14 24
1993 12 10
1994 18 36
1995 15 31
1996 16 58
1997 10 43
1998 9 31
1999 6 6
2000 20 6
2001 n/a 11
2002 10 14
2003 12 9
2004 14 12
2005 21 11
2006 17 .8
2007 8 3
2008 1 .3
So we kinda suspect the article is of the Willie Soon
"deliverables" variety than actual science.
Another tip-off is that science generally talks about
what has been measured and what is possible.
Not what is impossible or supposedly can not exist.
That kinda stuff comes from dishonest people.
'Liars say "I am not a crook" rather than "I am honest" '
Liars use short sentences, the past tense and negative statements
Bella DePaula, professor of psychology at the University of Virginia,
has found, in a study of 3,000 people, that the following clues are
the most useful indicators of whether somebody is lying:
# Lack of specific detail - not volunteering names of people and places
# Short answers
# Using the past tense
# Using negative statements ("not a crook" rather than "honest")
--
http://www.globalideasbank.org/site/bank/idea.php?ideaId=1907
--
[Actual science -- not an anonymous self-publication:]
Assessing species vulnerability to climate change
Michela Pacifici, Wendy B. Foden, Piero Visconti, James E. M. Watson,
Stuart H.M. Butchart, Kit M. Kovacs, Brett R. Scheffers, David G. Hole,
Tara G. Martin, H. Resit Ak?akaya, Richard T. Corlett, Brian Huntley,
David Bickford, Jamie A. Carr, Ary A. Hoffmann, Guy F. Midgley, Paul Pearce-Kelly, Richard G. Pearson, Stephen E. Williams, Stephen G.
Willis, Bruce Young and Carlo Rondinini
Nature Climate change 5,215-224(2015). doi:10.1038/nclimate2448
Abstract:
The effects of climate change on biodiversity are increasingly well
documented, and many methods have been developed to assess species' vulnerability to climatic changes, both ongoing and projected in the
coming decades. To minimize global biodiversity losses,
conservationists need to identify those species that are likely to be
most vulnerable to the impacts of climate change. In this Review, we
summarize different currencies used for assessing species' climate
change vulnerability. We describe three main approaches used to derive
these currencies (correlative, mechanistic and trait-based), and their associated data requirements, spatial and temporal scales of
application and modelling methods. We identify strengths and weaknesses
of the approaches and highlight the sources of uncertainty inherent in
each method that limit projection reliability. Finally, we provide
guidance for conservation practitioners in selecting the most
appropriate approach(es) for their planning needs and highlight
priority areas for further assessments.
--- SoupGate-Win32 v1.05
* Origin: fsxNet Usenet Gateway (21:1/5)