Jair Putzke

Universidade Federal do Pampa (Unipampa) | UNIPAMPA

Background The investigation of Agaricales diversity in the Antarctica is limited, with only seven genera reported for the region. Galerina stands out as the genus with the highest species diversity, including 12 species in Antarctica. This research reports the presence of G. marginata in the region, providing the first complete morphological descr...

Ensino de ecologia e educação ambiental no ensino fundamental e médio na base comum curricular (BNCC) e nos livros didáticos de editoras. O objetivo deste trabalho, foi fazer uma análise documental, analisando as habilidades da base com os conteúdos propostos nos livros. A falta de habilidades voltadas aos assuntos empobrece o aprendizado dos aluno...

Detecção de Physarum cinereum (Batsch) Pers. (Protista, Myxomycetes) em cultivo de brócolis (Brassica oleracea L. var. italica) RESUMO-O mixomiceto Physarum cinereum é frequentemente relatado ocorrendo sobre plantas vivas, principalmente de interesse agrícola. Embora não seja um organismo fitopatógeno, é facilmente confundido com fungos do grupo do...

Ceratiomyxa morchella, characteristic of the Neotropical myxobiota, was first recorded in Brazil four decades ago in the northern region of the country. Since then, it has a known distribution only in the North and Northeast regions, occurring in the Amazon and Atlantic Forest biomes. Collecting carried out in a fragment of Mixed Ombrophylous Fores...

Mushrooms are little known by the general city public, both in Brazil and Colombia, and require detail and mycological notions to identify them, hence the difficulty of using them, either for research or as food. They are very common even in planted pine and eucalyptus forests, where they could be explored, as they represent a complete food. As a w...

This work summarize the results of Myxomycetes collections carried out by European and South American researchers on Antarctic ice free areas during the last fifty years. An annotated list and an identification key for the nine species with confirmed occurrence on the continent are presented.

Understanding the influence of soil-forming factors and processes in ornithogenic soils is important to predict impacts of climate change on Antarctic ecosystems. Herein, we analyzed the soil-landscape interplays and development of ornithogenic soils at Harmony Point (HP), Nelson Island. We collected, described, and classified 24 soil profiles, com...

Areas of high concentration of seal carcasses have been observed in localized areas of James Ross Island, Antarctica. Such carcasses show an unusual vegetation development, in a semi-arid area with bare soils under intense winds, high salinity and sandy texture. We investigated carcasses of seals around a lake in James Ross Island, with four differ...

Bryophytes colonize different substrates, while fungi, such as basidiomycetes, can occur on the same substrate as these plants and sometimes associate with them. In Brazil, there are few studies with bryofilated Agarycomycetes and they rarely identify the mosses or the liverworts involved in this association. Taxonomic studies involving bryophyte f...

Due the tolerance in soil degraded, Eucalyptus is widely used in reforestation area. This study aims to evaluate the fungi that use Eucalyptus grandis W. Hill ex Maiden as substrate in reforestation area in southern Brazil. Fungi were identified and macronutrient and micronutrient contents were evaluated in order to understand the relationship betw...

The pecan tree (Carya illinoinensis, Juglandaceae) was introduced in Brazil at the beginning of the 20th century by American immigrants and its cultivation currently extends from Rio Grande do Sul to Minas Gerais states, with approximately 2,400 hectares planted. We present the first report of litter-associated myxomycetes of C. illinoinensis, dire...

Popularmente conhecido como cogumelo ostra ou shimeiji, Pleurotus spp. (Agaricales, Agaricaceae) é o segundo gênero comestível mais cultivado no Brasil. Considerando a importância econômica de seu cultivo, este trabalho objetivou avaliar as características morfológicas, biomassa fresca e seca total, assim como a produtividade deste cogumelo em subs...

Yerba mate, Ilex paraguariensis A. St. Hil. (Aquifoliaceae), waste is one of the most common byproducts generated in households in southern Brazil due to the traditional consumption of mate. However, the decomposition of this waste by fungi has not been thoroughly evaluated. In order to study the fungal succession in mate residue, 450 samples were...

Bryophilous fungi have at least one stage of its life cycle linked to Bryophytes. There are few studies in relation to their taxonomy and ecology all around the world, including Brazil. The Agaricomycetes (Basidiomycota) have gained prominence worldwide and contained several species of economic interest. Based on a bibliographic review and discussi...

Attini ants (Hymenoptera, Formicidae, Myrmicinae) have great diversity in exploiting food resources. However, little is known about the mycophagy involving Agaricales fungi (Basidiomycota, Agaricomycetes). Moreover, these associations are of paramount importance in riparian zones, as the interaction among soil, fauna and flora is fundamental to the...

Antarctica has a great diversity of microorganisms with biotechnological potential but is not very well Known about yeasts with phosphate solubilization activity. Thus, the aim of this study was to evaluate the ability of yeasts from Antarctica lichens to solubilize phosphate in vitro. In the screening, 147 yeasts were tested and 43 (29%) showed P...

In the second decade of the 20th century, Lycogala flavofuscum aethalia were collected in Brazil by Rev. Johannes Rick. Despite being easily observed in the field because of the size of the aethalia, the species was only found again in 2019, on a live trunk of Sebastiania commersoniana (branquilho, Euphorbiaceae) in the municipality of São Gabriel,...

The study of Agaricomycetes in the Brazilian Pampa Biome is still incipient, but it is very necessary for the valorization and preservation activities in this area. In terms of fungal diversity, it is the least studied Brazilian biome, with only 84 species already described for the site, despite the great diversity of fauna and flora that this biom...

Mushrooms are cultivable on various plant substrates and the yerba mate residue may be one of the most promising, especially if domestic cultivation techniques are developed. As a large producer and consumer of yerba mate, southern Brazil also presents a large production of this residue. In this sense, this work aimed to test the cultivation of Ple...

Small conservation areas have been created in many countries usually to protect plants and animals, but no priorities are deserved in protecting fungi. The creation of preservation areas is meeting a new problem: there are only small remaining areas, since exploration is destroying large forests. Applying the technique of the transects in three dif...

The present article aims to identify the spectral pattern of several species of mosses, lichens, and of an alga found in Maritime Antarctica from hyperspectral data obtained in situ. Spectral data from 17 species of Antarctic vegetation were collected in Harmony Point, between February 8th and 15th, 2019. To evaluate the possibility of distinguishi...

Bird-fungi associations are ecologically important, and the species of these groups that occur in the Pampa biome region have different characteristics. The Shiny Cowbirds (Molothrus bonariensis – Icteridae) is a ground foraging bird that cohabits vegetation of grasslands. Some mushrooms of this biome have considerably large and edible basidiomes,...

The geomorphic dynamics of ice-free areas are crucial for understanding soil formation, vegetation and landscape stability in maritime Antarctic. We aimed to describe the soil formation on different landforms, following the Holocene glacial retreat at Stinker Point. Twenty profiles were sampled and classified, grouped into three landforms units: mi...

The Antarctic Peninsula has experienced some of the most accelerated warming worldwide, resulting in the retreat of glaciers and creation of new areas for plant development. Information regarding the plant dispersal processes to these new niches is scarce in Antarctica, despite birds being important vectors elsewhere. Many bird pellets (with feed r...

Abstract Ice-free areas of Antarctica represent an important study region that helps us understand how human activity affects plant communities and soil properties. The goal of this study was to determine the changes in plant composition and soil properties around a whale bone skeleton (WB) near Ferraz Station, King George Island, Antarctica from 1...

In the Antarctic environment, yeasts are versatile eukaryotes that have shownwide dispersion in different substrates, producing active enzymes in extreme conditions,but their relevance in biotechnological applications is largely unknown. The aim of thisstudy was to evaluate the production of extracellular hydrolases by yeasts isolated fromAntarctic...

The knowledge about the use of fungi by indigenous people in Brazil is still scarce and needs to be better investigated. Many species are not yet on lists and their uses may mean alternatives for cultivation even on a commercial scale. Conducting a survey of what has already been published on the use of fungi by different indigenous ethnic groups i...

Southern giant petrels (Macronectes giganteus) are found in the Antarctic. They build their nests with rock fragments, disturbing large areas during incubation and chick feeding periods; however, their impact on vegetation is unknown. Thus, we aimed to evaluate the effect of Petrel nests and associated breeding activities on the diversity and struc...

Phaeosphaeria deschampsii was described from dead leaves of Deschampsia antarctica (Antarctic Grass). We surveyed other islands of the South Shetland archipelago, Antarctica, and also found Arctic Grass whitening, the disease associated with this fungus, indicating that is disease is widespread.

Whale bones are very abundant at coastal sites across the Admiralty Bay, King George Island, Antarctica, since whale hunting was common in the beginning of the XX century. Since then, these bones became suitable substrate and true oasis for many mosses and lichenized fungi, but their number is dramatically changing in the coastal zones, due to the...

Maritime Antarctica is one of the major terrestrial ecosystems dominated by lichens and mosses, which represent important ecological indicators. Thus, we aimed to evaluate the changes in associated communities of mosses-lichens diversity and coverage along a pedoenvironmental gradient on Half Moon Island, Maritime Antarctica. We focused on how patt...

E se um trabalho escolar se transformasse em uma viagem inesquecível cheia de aventuras e aprendizados? A Jornada de Nina ao lado do Cientista Ludovico nos mostra onde as curiosidades de uma criança podem levá-la. Essa aventura vai te fazer conhecer um pouco da biodiversidade da Antártica e te ajudar a entender a importância da preservação deste co...

The genus Blumenavia Möller is mentioned for the first time to the Brazilian Pampa, with B. rhacodes Möller, increasing the known distribution area of the species in Brazil, reporting its occurrence for the first time outside Atlantic Rain Forest areas. O gênero Blumenavia Möller é citado pela primeira vez para o Pampa brasileiro, com B. rhacodes...

O gênero Blumenavia Möller é citado pela primeira vez para o Pampa brasileiro, com B. rhacodes Möller, aumentando a área de distribuição conhecida da espécie no Brasil, relatando sua ocorrência pela primeira vez fora de áreas de Mata Atlântica.

O gênero Lamprospora está pobremente representado nas regiões antárticas e subantárticas. Durante trabalho de campo realizado na Ilha Livingston, Arquipélago das Shetlands do Sul, foram coletardos pequenos fungos apotecioides por entre musgos que foram identificados como Lamprospora cashiae. Encontrado previamente no Chile e Argentina, está é a pri...

Antarctica is one of the most extreme environments on the planet considering the climatic conditions. This greatly limits the development of plants, and is reflected in slow growth, especially in the lichens present in this environment. Haematomma erythromma is a nitrophile lichen easily identifiable by its color and was the species chosen to evalu...

In association with lichens, bacteria can play key roles in solubilizing sources of inorganic phosphates that are available in the environment. In this study, the potential of bacteria isolated from 15 Antarctic lichen samples for phosphate solubilization was investigated. From 124 bacteria tested, 66 (53%) were positive for phosphate solubilizatio...

In association with lichens, bacteria can play key roles in solubilizing sources of inorganic phosphates that are available in the environment. In this study, the potential of bacteria isolated from 15 Antarctic lichen samples for phosphate solubilization was investigated. From 124 bacteria tested, 66 (53%) were positive for phosphate solubilizatio...

The Agaricaceae family is made up of generally easily recognizable mushrooms that are widely used for human consumption, as many species are edible and large. In it are commercially cultivated species, such as commonly called champignon, as well as others already collected by amateurs throughout Brazil and the world. However, there are toxic specie...

The genus Entoloma sensu lato (Entolomataceae) is one of the least studied amongst subtropical Agaricales, despite being very numerous in species. Although molecular analysis has allowed for the characterization of several genera there is little data on the distribution of the Entolomatoid taxa in Pampa, a biome restricted to southern Brazil, Urugu...

The genera Phillipsia, Chlorociboria and Cookeina (Ascomycota) in Brazil and keys to the known species Os gêneros Phillipsia, Chlorociboria e Cookeina (Ascomycota) no Brasil e chave para identificação das espécies conhecidas ABSTRACT Ascomycota represent the largest and most diverse group of fungi in the world and can be found in many different hab...

Abstract Few conservation studies have been done with Agaricales fungi (mushrooms) of the Andes and conservation areas created in many countries have no priorities in protecting fungi. Small areas can be also very important to preserve rare and unknown fungi species, but evaluations are still needed. Applying the technique of the transects in the n...

We carried out a bibliographic survey by analyzing 7 articles and 1 master's thesis performed between 1915 and 2018, which mention the occurrence of Myxomycetes (Protist, Amebozoa) in Rio Grande do Sul. A total of 110 species occurin the State.The order Physarales is the most representative. In addition, the Atlantic Forest areas, although much sma...

Antarctica allows at the same time to study the effects of change on the environment with minimal anthropic interference and in the least modified conditions in the world regarding biodiversity and its relations. At the same time, it allows assessing its effects on an ecosystem of few species and with a food web that directly links the oceans to te...

New citations to the agaricobiota (Fungi-Basidiomycota) in oak forests of the Northeastern Andes of Colombia). The study of Colombian agaricobiota is relatively recent. The training of new researchers has allowed more taxonomic surveys, increasing the literature on the subject and indicating the relevance of ecological and conservation studies. Dur...

The Maritime Antarctica region has terrestrial ecosystems dominated by lichens and mosses, representing important ecological indicators of climate change. However, little is known about environmental factors that shape regional cryptogam communities at local scale. In this study, we analyse changes in species richness, species composition and cover...

The study of Colombian agaricobiota is relatively recent. The training of new researchers has allowed more taxonomic surveys, increasing the literature on the subject and indicating the relevance of ecological and conservation studies. During a field survey conducted in the oak forests (Quercus humboldtii) in the Madre Monte Nature Reserve, municip...

Myxomycetes (Protista - Amoebozoa) are worldwide distributed organisms, but still poorly known from the Antarctic. While working on fungi and similar organisms found in Stinker Point, Elephant Island - Antarctica in January/February 2018 we found 24 sporangia of Dianema nivale, which is cited for the first time to the Antarctica.

As samambaias são plantas que crescem por todos os cantos do Brasil e do mundo (só não existem no frio da Antártica). Muitas vezes só as conhecemos crescendo em vasos ou jardins em nossas casas, mas elas se desenvolvem em vários ambientes naturais também. Imagina que são mais de 1.170 espécies no Brasil! É sobre isso que fala, neste livro, o nosso...

The genus Entoloma sensu lato (Entolomataceae) is one of the least studied amongst subtropical Agaricales, despite being very numerous in species. Although molecular analysis has allowed for the characterization of several genera there is little data on the distribution of the Entolomatoid taxa in Pampa, a biome restricted to southern Brazil, Urugu...

In February 2019, during fieldwork at Harmony Point, Nelson Island, South Shetland Islands, Antarctica, a large population of the rare liverwort Hygrolembidium isophyllum (Lepidoziaceae) was discovered. The occurrence of this rare species reinforces the need to preserve Antarctic Specially Protected Area 133.

Mushroom cultivation of the Shimeiji group (Pleurotus spp.) uses the most diverse substrates. In Brazil, bamboo has not been tested. Mushroom growers always have to buy new seed for the inoculation of a new cycle, making the process more expensive; planters must also use plastic containers that contaminate final products. Bamboo has been widely pla...

The teaching of life sciences in elementary school faces a major problem: the lack of materials for laboratory practice. This lack of equipment results in many cases in the transformation of the class into theoretical information routines, discouraging the student to care for nature. The sense of admiration that should be worked with at this level...

O cultivo de cogumelos do grupo Shimeiji (Pleurotus spp.) faz uso dos mais diversos substratos. No Brasil o bambu ainda não foi testado. O produtor sempre precisa comprar nova “semente” para inoculação num novo ciclo, encarecendo o processo, além de usar recipientes de plástico, contaminando o produto final. O bambu tem sido amplamente plantado em...

The spread of the exotic species Hovenia dulcis known as Japanese raisin tree, coming from Asia, detected in a protected area of 465.0 ha surrounding the city of Santa Cruz do Sul, RS, Brazil, named “Green Belt.” In this context, this research aimed at developing an aerial monitoring system able to identify and quantify the extension in the Green B...

In Antarctica, fungi occupy different niches and interact with different living things; but its importance in these niches and interactions is still poorly understood. An example of an interaction reported from Antarctica involves fungi and the Antarctic mosses, in which the fungi formed rings on the carpets of mosses. However, due to the complexit...

The second volume of Agaricales sensu lato (fungi, mushrooms) presents keys, descriptions and illustrations of all species reported to this couontry. This volume describes species of the orders Boletales (Boletaceae and Paxillaceae), Polyporales (Polyporaceae/Lentinaceae), Russulales (Russulaceae) and Agaricales (Cortinariaceae, Inocybaceae, Plutea...

In the current study, we present the molecular characterization of an endophyte fungus associated with the leaves of Deschampsia antarctica Desv. (Poaceae), a monocot species native to Antarctica. The isolate was obtained from 90 leaf fragments from two distinct collection sites, both located on Half Moon Island, South Shetland Islands and Maritime...

The species Syagrus romanzoffiana is a monocot belonging to the family Arecaceae; it is a palm endemic to South America and is widely distributed throughout the southeast and south of Brazil, including the State of Rio Grande do Sul. To estimate the genetic diversity and structure of the species in the watersheds of Rio Grande do Sul, five simple s...

Antarctic plant communities are restricted to ice-free areas, which occur generally in coastal regions, rocky outcrops, and slopes. Few plants can grow exposed to the harsh climatic conditions of Antarctica, with low temperatures, strong winds, cover snow, and low water availability. Long-term studies of plant succession are still negligible in Ant...

This paper presents the details of lichens and mosses found on whale vertebrae substratum in the Admiralty Bay area, King George Island, Antarctica. Samples were taken in the coastal area at Hennequin Point, a relict of the Antarctic whaling era. The samples were collected from the upper surface of the whale bones found in the study area during the...

The Cladoniaceae family presents more than 450 species that are distributed in varied environments, ranging from well-preserved areas, such as mountains, to urban areas with anthropic structures. Cladoniaceae has species with large thalli to species with diminutive thalli. The objective of this note was to record Cladonia curta�IRU�WKH�¿UVW�WLPH�LQ...

During February–March of the austral summers of 2013/14 and 2014/2015, fieldwork was performed on Half Moon Island, South Shetland Archipelago, Antarctica, to evaluate the distribution and abundance of mosses and lichens, as well as to describe and map the plant communities there. The quadrat (20 × 20 cm) sampling method was employed in a phytosoci...

The genus Cystolepiota, which belongs to the family Agaricaceae, is differentiated from the other genera of the family mainly because it has a white to cream print spore and the cortical layer of the pileus is constituted by spherical cells, usually organized in short to long chains, the pileus surface being strongly pulverulent in some species. Th...

The genus Agaricus is one of the most important among Agaricales, especially by its commercial use as edible and medicinal mushrooms. With lots of taxonomical problems since it is very diverse, there is no work concerning the Brazilian species known up to now in Brazil. By searching bibliographical data and reviewing herbarium collections, we finis...

The research was conducted between March 2013 and July 2014 in preservation areas that protect water resources in the Andreas Stream Basin, RS, and aimed to evaluate the phytosociological structure of these areas, which were established through the Payment for Environmental Services (PES). A total of 83 species, distributed in 72 genera and 34 fami...

ABSTRACT This study presents the description of Phaeosphaeria deschampsii, which was found in plant communities from Half Moon Island, South Shetland Archipelago, Antarctica, in February 2014. Many patches of Deschampsia antarctica (Poaceae), the only indigenous Poaceae specie in Antarctic, were found dead, parasitized by a fungi pathogen. Based on...

Antarctic terrestrial ecosystems are largely dominated by lichens, while shallow coastal environments are mainly covered by macroalgae. The aim of this study was to isolate and to evaluate the diversity of yeasts in different species of macroalgae and lichens collected in South Shetland Islands, Antarctica. A total of 405 yeasts were recovered (205...

This article present a discussion of the environmental risks. Same risk definitions scientifically in the national and international literature and also collectively constructed notions by participants from various public meetings risk mapping. Concepts and classifications involving different types of risks were analyzed in addition to the relation...

The offer of environments well structured to visitation is an important part of the environmental education. The cooperation of factories to installation of those facilities is fundamental, considering the government deficiencies to create, administrate and maintain those parks. This work was developed in the environmental park of Souza Cruz, in th...

This paper presents a comparative study of moss diversity in three collection sites in the South Shetland Islands (King George, Elephant, and Nelson Islands) and one in the Antarctic Continent (Hope Bay, Antarctic Peninsula). In the King George, Elephant, and Nelson Islands, the collections were done in ice-free areas during the austral summers of...

Conversion of diverse native forests to tree monocultures remains an ongoing, worldwide threat to biodiversity. Although the effects of forest conversion have been studied in a wide range of taxonomic groups, the effects on macrofungal communities remain poorly understood. We sampled macrofungal fruiting bodies in the National Forest of São Francis...

Many plants have been used as bioindicators of air quality, highlighting the family Bromeliaceae. In this context, the main objective of this study was to test a pilot project of biomonitoring of air pollution by metals in the central city of Santa Cruz do Sul, Brazil, using the species Tillandsiaaeranthos (Loiseleur) L. B. Smith as passive bioindi...

Biological invasion by the tree species Hovenia dulcis Thunb (Blueberry Japan), originally from Asia, has been reported in Africa and South America, especially in the region of Santa Cruz do Sul / RS, within the city's green belt area. This study aimed to develop a systematic air monitoring able to identify the species of invasive tree Hovenia dulc...

RESUMO Realizou-se um levantamento fitossociológico de espécies na mata ciliar demarcada, em um trecho de campo abandonado, utilizado para pastagem de gado antes do cercamento. O local possui aproximadamente 2 hectares de área, por onde passa o Arroio Andreas, localizado no município de Vera Cruz, RS, Brasil. A área de estudo fica localizada no int...