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The greatest environmental tragedy in the history of Rio Grande do Sul
and one of the biggest ever seen in Brazil
has mobilized people from all over the country to help victims and send donations
professionals and volunteers engaged in the rescue of residents and animals
Given the urgency and the multiplicity of needs
the IBGE and its civil servants from all over the state
have also been making efforts to offer flood victims humanitarian aid
IBGE’s fleet of cars at the rescue of people and animals
a task force was formed with members of the IBGE Branch serving the capital of Rio Grande do Sul and the cities of Guaíba and Eldorado do Sul
says that work started as soon as the metropolitan area as flooded: “We are civil servants working for the federal government and helping is one of our duties”
Having kept in contact with authorities from the three municipalities
the Branch offered its fleet of cars and the services of employees “we have huge cars that carry a good amount of cargo and are well accepted by the population.”
with the help from the head of the IBGE’s Superintendency in Rio Grande do Sul (SES/RS)
the team has been out in the field helping transport people rescued by boat in flooded areas of capital Porto Alegre and that had been transferred to the homes of relatives or to shelters in the capital
major donations campaigns were organized in the state and all over the country
upon the arrival of more than 30 thousand liters of water to the state
the IBGE group started working side by side with other volunteers to unload and distribute the plastic drums
Approximately 8 thousand liters were distributed by the IBGE civil servants
associations and community kitchens in Porto Alegre
a little more than 25% of the amount received
the WhatsApp group IBGE Solidário POA – Voluntários (Solidary IBGE POA – Volunteers) has facilitated communication and optimize efforts
there has also been significant participation of IBGE civil servants since Sunday
As the number of victims and the demands increased
the group was divided to aid in different ways
ranging from the rescue of persons from flooded areas to the production and distribution of food in shelters
diapers and other personal hygiene items were collected
as well as animal feeds for the rescued pets
Caxias do Sul Branch helped the Cross during donation distribution
With the increasing difficulties to reach Porto Alegre
has become an important distribution center in the state
The IBGE Branch in Caxias joined efforts with the Red Cross logistics center headquartered in the municipality and has worked the entire week to receive
because our city is working and people have their jobs
So we have been of good help since Monday,” remarks Clademir Guielcer de For
Two civil servants went by car to the municipality of Taquara
to deliver basic items to people affected by the flood
IBGE civil servants volunteer for cleaning activities and preparation of shelters in Três Coroas
one of the most affected municipalities within the range of the Branch
The IBGE team also in the distribution of animal feed at the Municipal Gymnasium of Três Coroas
Rio Grande do Sul Union Center - ASSIBGE promotes campaign for donations of money
the Rio Grande do Sul Union Center - ASSIBGE has promoted a campaign for donations of money to help flood victims
IBGE civil servants from all over the country
have helped via bank transfers at pix assibgers@gmail.com
civil servants from the Superintendency and from the 36 IBGE Branches in Rio Grande do Sul report individual actions of different types
purchase and distribution of food products and caring for people in shelters
Although the IBGE Superintendency in Porto Alegre remains flooded
administrative and technical activities remain being conducted remotely
with a focus on the help in the areas hit by floods
and the support from technical teams in Rio de Janeiro
Last week, the IBGE released a note about the impact of this situation on IBGE surveys and indicators. Click here to read
“The IBGE and its civil servants will keep working in this humanitarian initiative all over the state
in partnership with the Civil Defense and trying to help the population in all forms possible
Our civil servants feel represented in the solidarity and fraternity actions promoted by colleagues from Rio Grande do Sul
© 2018 IBGE - Instituto Brasileiro de Geografia e Estatística
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Understanding long-term dynamics of past socio-ecological systems is essential for their future management
The southern Atlantic Forest coast of Brazil with its biodiverse littoral zone and artisanal fishing communities
Traditional maritime knowledge is thought to have a deep-history and indeed
marine exploitation can be traced back to the middle Holocene
As part of one of South America’s largest diasporas
Guarani groups reached the southern Brazilian coast at around 1000 years ago
Their impact on the long-standing coastal economy is unknown
due to poor preservation of organic remains
Through the first organic residue study on Guarani pottery
we show that maize rather than aquatic foods was the most dominant product in pottery at this time
By developing a mixing model based on carbon isotope values of saturated and mono-unsaturated fatty acids we propose new criteria for the identification of maize
Our data confirms the importance of maize to the pre-colonial Guarani
even in a highly productive coastal environment
The Guarani occupation of this region marks a significant departure from previous socio-economic systems
potentially leading to loss of traditional knowledge and alleviating anthropogenic pressure
The deep historical roots of indigenous knowledge
and its increasing value in conservation and development agendas
require a good understanding of the origin
changing nature and modern legacy of indigenous knowledge and practices
Charting changes in marine resource exploitation throughout the occupation history of this region therefore provides an opportunity to document the heritage of Brazil’s Atlantic fisheries
and to assess their longer-term sustainability in response to different environmental and cultural drivers of change
both key to securing their future conservation
Longitudinal studies that extend beyond landing records are crucial for monitoring anthropogenic pressure on the marine environment
Map of South America, with the distribution of the Tupi-Guarani language family accentuated in dark green and the location of study sites of the Taquara-Itararé (yellow) and Guarani (green) traditions. This map was generated using ArcGIS 10.8, Inkscape and Adobe Illustrator CS6 (see “Methods” for more details)
as marine resources would likely produce similar values
Factors affecting the formation and preservation of aquatic biomarkers in pottery may also be relevant
differences between plain (n = 88) and decorated (n = 70) Guarani sherds (Mann Whitney U = 18
with the former showing more enriched δ13C18:1 values
may hint at correlations between form and function
in the frequency of bacteriohopanes between decorated and undecorated sherds (t(0.26)
that also show a departure from previous coastal oriented economies and
a broadening of the subsistence base at this juncture
the longer-term consequences of the Guarani expansion
which eventually encompassed the entire coast of Brazil
The broadening of subsistence practices and widespread cultivation of maize may have alleviated some anthropogenic pressure on marine and estuarine systems that had previously been intensely exploited for millennia
and as a result may have led to a loss of maritime indigenous knowledge
Our study also highlights the problem of ‘shifting baselines’ when using archaeological and historical data to inform modern policies
and the danger of assuming that ‘prehistory’ was culturally and economically static
as it is frequently presented in colonial discourse
knowledge of the long-term dynamics of regional socio-ecological systems
their specific limits and environmental responses
should be useful for developing the routes and interventions towards future desirable scenarios
Plant samples from Brazil were registered in the Sistema Nacional de Gestão do Patrimônio Genético e do Conhecimento Tradicional Associado (SisGen
All data presented in this article are made available in the supporting information
Global priority areas for ecosystem restoration
Cultural and ecological resilience among Caiçaras of the Atlantic Forest coast and caboclos of the Amazon
Linking social and ecological systems for resilience and sustainability
129–157 (The Beijer International Institute of Ecological Economics
Gardens on the coast: Considerations on food production by Brazilian shellmound builders
Fishing intensification as response to Late Holocene socio-ecological instability in southeastern south America
and spheres of interaction in southeastern south America during the middle and late holocene
Revisiting the economy and mobility of southern proto-Jê (Taquara-Itararé) groups in the southern Brazilian highlands: Starch grain and phytoliths analyses from the Bonin site
Long-term resilience of late Holocene coastal subsistence system in southeastern South America
processing and utilization of sharks in archaeological context: Its importance among fisher-hunter-gatherers from southern Brazil
A model for the Guarani expansion in the La Plata Basin and littoral zone of southern Brazil
Arqueologia Guarani no Litoral Sul do Brasil (Editora Appris
Out of amazonia: Late-holocene climate change and the tupi-guarani trans-continental expansion
Hans Staden’s True History: An Account of Cannibal Captivity in Brazil (Duke University Press
Histoire d’’un Voyage Fait en la Terre de Brésil (Librairie Droz
Les Français en Amérique pendant la deuxième moitié du XVI siècle: Le Brésil et les Brésiliens
par André Thevet (Presses Universitaires de France
What did the Tupinambá cook in their vessels
An humble contribution to ethnographic analogy
The cauim and the beverages among the guarani and the tupinambá: Equipments
Maize dispersal patterns associated with different types of endosperm and migration of indigenous groups in lowland South America
Multiproxy evidence highlights a complex evolutionary legacy of maize in South America
Maize diversity in southern Brazil: Indication of a microcenter of Zea mays L.
Evidence for cultivar adoption and emerging complexity during the mid-Holocene in the La Plata basin
Monumental burials and memorial feasting: An example from the southern Brazilian highlands
charcoal and multivariate analysis of the São Francisco de Assis core in western Rio Grande do Sul (southern Brazil)
Arqueobotânica guarani: A presença de grãos de amido
fitólitos e endocarpos carbonizados no sítio RS-T-114
1001–1006 (Universidad Nacional de Tucumán
Evidence of plant foods obtained from the dental calculus of individuals from a Brazilian shell mound
In Wild Harvest: Plants in the Hominine and Pre-Agrarian Human Worlds (eds Hardy
Evaluating microfossil content of dental calculus from Brazilian Sambaquis
Exaggerated expectations in ancient starch research and the need for new taphonomic and authenticity criteria
From the Atlantic coast to the lowland forests: Stable isotope analysis of the diet of forager–horticulturists in southern Brazil
Pre-Hispanic horticulture in the Paraná Delta (Argentina): Archaeological and historical evidence
Organic Residue Analysis Reveals Possible Dietary Reformation Connected to the Tupi Guarani Dispersal to the Southern Coast of Brazil (University of York
Thermally produced ω-(o-alkylphenyl)alkanoic acids provide evidence for the processing of marine products in archaeological pottery vessels
Formation of dihydroxy acids from Z-monounsaturated alkenoic acids and their use as biomarkers for the processing of marine commodities in archaeological pottery vessels
Gas chromatographic mass spectrometric detection of dihydroxy fatty acids preserved in the “bound” phase of organic residues of archaeological pottery vessels
Ceramistas Pre-coloniais da Baia da Babitonga
SC: Arqueologia e Etnicidade (Universidade Estadual de Campinas
Velhas tradições e gente nova no pedaço: Perspectivas longevas de arquitetura funerária na paisagem do litoral sul catarinense
Pre-Columbian fisheries catch reconstruction for a subtropical estuary in South America
Documents Pour la Préhistoire du Brésil Méridional: 2: l’état de Santa Catarina (Cahiers d’Archeologie d’Amerique du Sud
Contribuição ao Estudo dos Sambaquis do Litoral de Santa Catarina
Nota prévia sobre a jazida paleoetnográfica de itacoara (Joinville
Programa de salvamento arqueológico pré-histórico e educação patrimonial na área de duplicação da BR -101 trecho Ponte de Cabeçudas
Sítios Arqueológicos do Município Sul-Catarinense de Jaguaruna
Interactions between sedimentary evolution and prehistoric human occupation in the south-central coast of Santa Catarina
Programa de Resgate Arqueológico do Sítio Riacho dos Franciscos II
O território Guarani no litoral sul catarinense: Ocupação e abandono no limiar do período colonial
Teritório em conflito: Arqueologia Guarani no litoral sul-catarinense
Programa de Gestão do Patrimônio Arqueológico na Área de Implantação do Loteamento Mirante da Baleia – salvamento do sítio arqueológico Aldeia Ribanceira I
Um modelo de ocupação regional Guarani no sul do Brasil
Arqueologia Guarani na Planície Sudoeste da Laguna dos Patos e Serra do Sudeste (EDUFPel
Dos potes ao território: O desafio metodológico brochadiano em dois contextos Guarani
Uma contribuição para a zooarqueologia em sítios Guarani do litoral sul do Brasil
Investigating the formation and diagnostic value of ω-(o-alkylphenyl)alkanoic acids in ancient pottery
Utilising phytanic acid diastereomers for the characterisation of archaeological lipid residues in pottery samples
The adoption of pottery on Kodiak Island: Insights from organic residue analysis
Direct chemical evidence for widespread dairying in prehistoric Britain
Reconstruction of prehistoric pottery use from fatty acid carbon isotope signatures using Bayesian inference
Direct detection of maize in pottery residues via compound specific stable carbon isotope analysis
Detection of palm fruit lipids in archaeological pottery from Qasr Ibrim
U.S. Department of Agriculture, Agricultural Research Service, Data from “USDA Food and Nutrient Database for Dietary Studies 2011–2012”. Food Surveys Research Group Home Page (2014) Available at https://fdc.nal.usda.gov/
Molecular and isotopic evidence for the processing of starchy plants in Early Neolithic pottery from China
Pulque production from fermented agave sap as a dietary supplement in Prehispanic Mesoamerica
The earthen mounds (Cerritos) of southern Brazil and Uruguay
In Encyclopedia of Global Archaeology 1–9 (Springer
Stable isotope evidence for dietary diversification in the pre-Columbian Amazon
Arqueofauna de um sítio de ocupação pré-histórica Guarani no município de Porto Alegre
Extraction and derivatization of absorbed lipid residues from very small and very old samples of ceramic potsherds for molecular analysis by gas chromatography-mass spectrometry (GC-MS) and single compound stable carbon isotope analysis by gas chromatography-combustion-isotope ratio mass spectrometry (GC-C-IRMS)
Analysis of organic residues of archaeological origin by high-temperature gas chromatography and gas chromatography mass spectrometry
Download references
This project has received funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme (Grant Agreement No 817911)
This work also contributes to the ICTA-UAB “María de Maeztu” Programme for Units of Excellence of the Spanish Ministry of Science and Innovation (CEX2019-000940-M) and to EarlyFoods (Evolution and impact of early food production systems: 2021 SGR 00527)
Gonzales Carretero for the SEM analysis of carbonized crusts of the pottery
Lundy for their help in the laboratory work and maintenance of the instruments
we would like to acknowledge and thank the INDUCE project (ERC-2015-AdG No 695539) and Ester Oras for providing modern reference samples published in Dataset 2
Department of Prehistory and Institute of Environmental Science and Technology (ICTA)
Department of Anthropology and Archaeology
Programa em Patrimônio Cultural e Sociedade
Museu Arqueológico de Sambaqui de Joinville
Sapienza Arqueologia e Gestão do Patrimônio Arqueológico
Grupo de Pesquisa em Educação Patrimonial e Arqueologia (GRUPEP)
and O.E.C undertook data analysis and interpretation
provided samples and expertise on Brazilian archaeology
The authors declare no competing interests
Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations
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DOI: https://doi.org/10.1038/s41598-023-42662-5
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The heavy rain falling outside began to drip from the ceiling and soak the floors
because he was sure that he would have to shutter the empty bar and give up on his lifelong dream
he was facing a mountain of debts; Diogo was one step away from bankruptcy
But the next morning the sun rose and Diogo received a miraculous phone call: the bar had been accepted into “Comida di Buteco,” one of the most important food competitions in Brazil
Held in various cities throughout the country
around 60 botecos (bars) are selected and each bar creates a new tira-gosto (a light snack that would typically accompany a beer) that fits the parameters of that particular competition
Members of the public and culinary experts then visit the participating bars to taste their snacks and rate them
as the competition brings a large increase in business to all participants.)
It was just the opportunity that Diogo needed
a meatloaf cake with a side of fried banana chips
the most beloved botequim in Rio’s West Zone
It’s an area where poverty is prevalent and rapid urbanization has led to air and water pollution
increased lawlessness due to the growth of the drug trade
an oasis of great food and drinks that also happens to be a lot of fun
The bar has a huge kitchen that serves standard botequim fare: deep-fried bean and rice cakes; feijoada (a meat and bean stew); pasteis (pockets of dough that are stuffed and then deep fried); and sandwiches
But outside – literally in the middle of the street – is where the magic happens
“The smoker was completed the same week that my first son was born
I say that I had two sons at the same time.”
It’s here that Diogo has parked his massive barbecue smoker
which can prepare more than 60 pounds of meat at once
wheeled apparatus is nicknamed caveirão (“big skull” in Portuguese)
a reference to the black armored vehicles Rio’s police use against the drug dealers and gangs in the favelas
there’s only wood-smoked meat: beef and pork ribs
The burgers are actually the main attraction
but also because they come with a side of fun
On the “smoked burger nights,” which are usually held on Wednesdays
Diogo and his crew involve customers in the cooking process
letting them choose their own burgers from the grill and sometimes even handing over the spatulas so that they can flip the burgers themselves
“Having this smoker is something I wanted for a long time
who treats his apparatus almost like a baby
“The smoker was completed and ready to use the same week that my first son was born
I say that I had two sons at the same time,” he says
sugar and cachaça which are very popular in Rio’s botequims
Kelly’s creations are more exciting than your average batida; some of her best make use of uncommon ingredients
The bar also produces a very popular drink made of cachaça
with some excellent IPAs and an assortment of Brazilian beers
the better to accompany a smoked burger from the caveirão
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Isaiah Gilson says he could feel the Amazon thicken around him
voices of the other hikers quieted and the lush jungle got closer to his body
There was still a week left and more than 150 kilometres of jungle to traverse and Gilson’s feet were already hurting
“Everyone had to push themselves because we were a group
who travelled to Brazil at the end of October
Two hundred kilometres of Amazonian jungle in nine days - that was the schedule for the third youth expedition with Impossible2Possible
a 20-year-old member of the Kluane First Nation
was one of four youth ambassadors chosen to do the trek while sending back knowledge and information from along the way to about 16,000 students around the world
I2P is an organization with a mandate to educate
“The idea was to combine a sense of adventure and knowing that we can do great things with our life
with creating awareness on issues around the world,” he says
The idea hit him as he was running 7,500 kilometres across the Sahara desert
That adventure made him unable to ignore two main facts
human beings are capable of amazing things
And if he were told when he was 16 he would go from a pack-a-day smoker to an adventure-athlete
he became aware of the seriousness of the water crisis in other parts of the world
“We are trying very hard to make education interesting and fun,” he says
we bring the classrooms to the expedition and the expedition into the classrooms.”
The first youth expedition was across the Akshayuk Pass on Baffin Island in Nunavut
The second was a 265-kilometre run across the Tunisian Sahara
Every expedition has a specific education focus
as well as an “extraordinary act” attached to it
i2P was backed by the United Nations to focus on biodiversity
Ambassadors connected to classrooms worldwide
They answered student questions and shared information
videos and pictures about odd species of plants
acts as a natural repellent to most pesky bugs
Most scientists say the Amazon holds over 50 per cent of the world’s species
The “extraordinary act” for the trek was the part Gilson was most excited about
fundraising has been happening on the sidelines
The goal is to build a school for the traditional village of Taquara in the Flora Do Tapajos along the Tapajos River where the group hiked
Gilson prepared himself to meet with the indigenous peoples of the communities they would be passing through
staying in and especially the one they would be helping to build a school for
some carvings for gifts and was still practising new songs to share with them on the trip down there
Gilson is Tutchone and attended the Amiskwaciy Academy in Edmonton from the ages 14-19
The Academy incorporates a lot of the Cree culture into the curriculum and Gilson always describes himself as wearing a moccasin on one foot
Gilson recounts his experience with the people of Taquara
“They are doing a song for us and we are all in a circle
And everybody is really emotional and in touch because we’re experiencing this beautiful ceremony
it’s a bit cooler so we’re not all too hot or sweaty
sitting there and really enjoying the energy of the people and the kids
The excitement and kindness and loving energy around us is a bit overwhelming… it is awesome.”
When the other members of the group noted they had never experienced anything like the indigenous people’s culture before
Gilson says he was a little bit frustrated because there are different cultures; ones very similar to these people
Similarities between his own culture and those he met along the Tapajos were plentiful
including the sacredness of the medicine wheel and the connection and dependence on the land
Taquara was one of the more traditional villages of all of the ones they visited
almost all of the communities live off of the land for all their foods and medicines and are very remote
He told the chief and people of Taquara who he is and that he wants to help
Gilson and Zahab met in Winnipeg at an IndigenACTION event
an initiative through the Assembly of First Nations that tries to improve opportunities for aboriginal people through sport and fitness
“He is an outstanding young man and I was immediately taken by him,” says Zahab
“He is a shining example of what all youth around the world can be.”
they would sit around having fish and rice for dinner and the conversation would always start with an amazing story: running through the Sahara
Being a modern-day warrior is a state of mind he’s always had
“Coming out of the trip it gave me a stronger sense of wanting to pursue that
So I really want to start doing a lot more of the things I haven’t been doing: a lot more reading
I want to become a writer because I want to use writing as an influential tool to show and explain things.”
The youth representative for the Yukon at the Assembly of First Nations will be slotted some time to talk to national leadership this Christmas
Keeping some sort of connection with the community of Taquara is a goal
one he’s optimistic he’ll be able to fulfil
“There’s more youth out there that do these sorts of things ..
there’s always something going on with young people and people should be more aware of that
I was really fortunate to be selected by a very well-connected organization.”
Canada Goose and Apple are just a few of i2P’s sponsors
have really helped the organization achieve its corporate mandate of no school ever having to pay for the experiential learning they receive
And the projects they promise - like the school in Taquara - is guaranteed
“I expect nothing and everything - I only expect what is given to me,” says Gilson
who didn’t know what he was getting into when he started his Brazilian adventure
Now he looks out the window to the streets of downtown Whitehorse
“Everyday was a learning experience,” he says
noting new surroundings make that easier - familiarity and routine keep people from seeing and learning
“I have an open mind and an open heart to the world around me because
if I close my mind off to the world around me
then I’m closing that opportunity to learn something - be it good or bad.”
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