Maria Boeger

• Federal University of Paraná

Premise Plants can limit the leaf tissue consumed by insect herbivores through chemical, structural, and nutritional leaf defenses or by escaping in space and time. Escaping is related to the phenological patterns of plants, which in turn respond to climatic factors. This study evaluated leaf production in a coastal plant community in southern Braz...

O processo pelo qual as plantas ajustam seu fenótipo frente às condições abióticas as quais estão submetidas é denominado de plasticidade fenotípica. Na interação planta-herbívoro, pode ocorrer modificações no fenótipo defensivo em resposta ao dano por herbívoros. Embora tal resposta seja amplamente documentada, o efeito de repetidos eventos de her...

Laguncularia racemosa (L.) Gaertn (Combretaceae) is one of the eight tree mangrove species of the Atlantic-Caribbean-Eastern Pacific region (AEP). This species is widely distributed throughout the Americas, Caribbean and the West Coast of Africa. Understanding genetic structure allows us to elucidate the main historical and contemporary mechanisms...

Phenology expresses strategies related to resource use and can play an important role in the success of invasive plants. Araucaria forests are highly fragmented ecosystems that are increasingly impacted by invasive plants, such as Ligustrum lucidum (Oleaceae). The present study aimed to describe the phenological events of L. lucidum; identify the i...

The complexity of nutrient distribution patterns in soils is a determinant environmental component of the structure of plant communities. Numerous insect species that interact with plants are associated with these communities, and some of these interactions result in the formation of unusual structures called galls. In this study, we investigated t...

Resumo A hipótese do vigor da planta sugere que plantas mais vigorosas suportam maior densidade de galhas. Este estudo avaliou tal hipótese utilizando o sistema ácaro-Baccharis longiattenuata em duas populações de restinga sob condições ambientais distintas. As medidas de vigor incluíram: altura e diâmetro do caule, volume e área da copa, número de...

The objective of this study was to analyze the morphofunctional attributes of Mixed Ombrophyllous Forest species of different successional categories. Fruits were collected from forest remnants in Curitiba, Paraná. It was analyzed the biometrics of seeds and seedlings of all species and the following ratios were estimated: shoot/seedling length, sh...

Shade plants of ombrophilous forests are subjected to light-limiting conditions and need to invest in architectural structures associated with leaf symmetry to increase light capture. This study investigated the leaf architecture of six Araucaria forest tree species with distinct symmetry: Cupania vernalis, Casearia sylvestris, Schinus terebinthifo...

Galhas são estruturas cujo desenvolvimento envolve hipertrofia celular e hiperplasia no órgão vegetal onde são induzidas. Esta indução se dá, principalmente, por insetos que, têm como resultado dessa interação, abrigo e fonte de recursos alimentares que lhes garantem completar em parte ou em sua totalidade o seu ciclo de vida. Como se trata de uma...

Resumo. A restinga é um conjunto de comunidades vegetais que ocupam a planície costei-ra de idade quaternária ao longo da costa brasileira e que, além de se mostrarem frágeis à conservação em função de suas condições ambientais limitantes, apresentam fortes indícios de degradação por ações humanas. Sua diversidade biológica na paisagem ambiental da...

A radiação luminosa pode ser considerada, dentre os fatores ambientais aos quais as plantas estão expostas, aquele que apresenta maior heterogeneidade espacial e temporal, impulsionando nas plantas alterações morfológicas e anatômicas que melhoram a captação e a utilização desse recurso. O presente trabalho teve como objetivo discutir, numa perspec...

A radiação luminosa pode ser considerada, dentre os fatores ambientais aos quais as plantas estão expostas, aquele que apresenta maior heterogeneidade espacial e temporal, impulsionando nas plantas alterações morfológicas e anatômicas que melhoram a captação e a utilização desse recurso. O presente trabalho teve como objetivo discutir, numa perspec...

Plant-herbivore interactions have directed the evolution of defense mechanisms in plants, which can vary intraspecifcally according to environmental quality. Tis study evaluated variation in the production of antiherbivory defenses in plant species distributed along an environmental gradient of restinga. Te study was performed in Parque Estadual Ac...

The soil of the mangroves influences the root anchorage and the nutrition processes of the plant community. This study evaluated the relationships among edaphic conditions, volume and biomass of roots, and tree structure of two mangroves in Paraná State. Five soil cores of 50 cm depth were collected from each mangrove for physicochemical analysis....

A magnitude espacial do território brasileiro, caracterizada por condições ecológicas diversificadas, mostra-nos um complexo cenário composto por inúmeras paisagens que estabelecem intensas relações entre os domínios morfoclimáticos e fitogeográficos. Ao longo da extensa costa atlântica brasileira se encontra a vegetação de restinga. A restinga é u...

Variation in the functional traits of plants stem from evolutionary and environmental drivers that operate on different scales. Such traits are linked to growth, survival, and reproduction of organisms and tend to vary less in harsh environments. This stud of dominant plant species of different types of most to edaphic conditions and (ii) in which...

Resumo O uso de saias foliares em três espécies de Cyathea (Cyatheaceae) como defesa estrutural ao epifitismo. Apesar do epifitismo ser considerado uma interação positiva, sugere-se que algumas plantas exibem mecanismos de defesa à colonização de sua superfície por epífitas. O presente trabalho testou a eficácia da manutenção de folhas mortas ou se...

This study evaluated the relationship between soil nutrient content and foliar nutrient content of Calophyllum brasiliense in two sites from the coast of Paraná State, with different fertility conditions. The soils were analysed for chemical attributes and leaves for nutrients, Al, Na and specific leaf area as sclerophylly index. Leaves showed diff...

We analyzed the structures of two mangrove forests of Paraná (Brazil) (Antonina Bay and Guaratuba Bay), considering adult trees and regeneration component. In each area, we marked three sub-areas and sampled five plots of 10 x 10 m, equivalent to 0.05 ha to adults trees and fifteen 1 x 1m sub-plots to assess the regeneration component. Avicennia sc...

In ombrophilous forests, light stratifi cation provokes diff erent adjustments by plants for better use of the environmental conditions of each stratum. Among the morphological traits that vary with strata, the presence of bundle sheath extensions (BSEs) is related to water transport, photosynthesis, and leaf mechanical support and classifi es leav...

The study analyzed the variability of morphological trait variability of Andira fraxinifolia from two different Restinga formations. The study was conducted at Acaraí State Park, São Francisco do Sul, Santa Catarina, Brazil, in areas of shrub-tree Restinga and Forest transition. Five individuals were selected on each area in order to characterize t...

In ombrophilous forests, light stratifi cation provokes diff erent adjustments by plants for better use of the environmental conditions of each stratum. Among the morphological traits that vary with strata, the presence of bundle sheath extensions (BSEs) is related to water transport, photosynthesis, and leaf mechanical support and classifi es leav...

Abstract: Esse estudo avaliou comparativamente os parâmetros fitossociológicos da regeneração natural e da vegetação arbórea em dois manguezais distintos no Estado do Paraná, um pertencente à Baía de Paranaguá (manguezal de Antonina) e outro à Baía de Guaratuba (manguezal de Guaratuba). Em cada área, três subáreas foram marcadas e amostradas cinco...

Esse estudo avaliou comparativamente os parâmetros fitossociológicos da regeneração natural e da vegetação arbórea em dois manguezais distintos no Estado do Paraná, um pertencente à Baía de Paranaguá (manguezal de Antonina) e outro à Baía de Guaratuba (manguezal de Guaratuba). Em cada área, três subáreas foram marcadas e amostradas cinco parcelas d...

O objetivo deste estudo foi analisar a variação sazonal no conteúdo foliar de nutrientes e pigmentos em cinco espécies de árvores, sendo três perenes (Cupania vernalis, Matayba elaeagnoides e Nectandra lanceolata) e duas decíduas (Cedrela fissilis eJacaranda micrantha) - em um ecótone entre a Floresta Estacional Decidual e a Floresta Ombrófila Mist...

The goal of the present study was to find a pattern regarding wood anatomical features for the Araucaria Forest. For that, we studied the wood anatomy of 17 tree species characteristics of this forest formation of Southern Brazil. The species were selected based on the amplified importance value. Wood samples of three individuals per species were c...

This study assessed the relation between Cu, Fe, Mn, and Zn in the soils of the mangroves of Antonina and Guaratuba, on the coastline of the State of Paraná, and in the leaf tissues of A. shauerianaR. mangle, and L. racemosa through the analysis of correlation levels between these two compartments. Leaf samples were collected for ten individuals of...

Mangrove forests have a simple architecture. They shelter a few number of arboreal species that grow in a saline environment subject to tidal activity. The research objective was to evaluate possible interactions between physical-chemical soil attributes and plant-leaf nutrient concentrations of different mangrove species. Different mangrove specie...

Restinga formations grow on sandy spits of coastal plains, an environment whose conditions limit the growth and development of vegetal species. Studies on restinga gradients are good examples of how plants acclimate to restrictive environments. This work compares three woody species co-occurring in four vegetations of a restinga from Southern Brazi...

The objective of this study was to understand the different morpho-physiological strategies of Ligustrum lucidum, an invasive species occurring in Brazilian forest fragments under heterogeneous light conditions. Ten individuals of L. lucidum were selected and evaluated for morphological of the leaves and physiological traits. For morphological para...

O presente trabalho teve como objetivo caracterizar a flora e as fitocomunidades de um gradiente de restinga da planície litorânea Estado de Santa Catarina, correlacionando-as com os atributos edáficos. Para o levantamento florístico foi utilizado o wide patrolling, enquanto a estrutura da comunidade foi determinada pelo método de parcelas. Amostra...

The objective of this study was to evaluate the leaf morphology of 57 tree species to determine if there is a dominant leaf pattern in a remnant of the Araucaria Forest, Curitiba, PR, Brazil that can be used as ecological indicator of this forest. We also determined the quantitative morphological and anatomical traits of all species, distributed in...

This study evaluated leaf morphoanatomical characteristics of species that occupy different strata in a subtropical forest in South Brazil. The principal component analysis explained 88,51% of data variation, defining two groups: one formed by Cedrela fi ssilis Vell., Cupania vernalis Cambess., Matayba elaeagnoides Radlk.and Nectandra lanceolata Ne...

A composição química do solo e das folhas e a eficiência do uso de nutriente por Avicennia schaueriana Stapf & Leachman, Laguncularia racemosa (L.) Gaertn e Rhizophora mangle L. foram analisadas num manguezal de Guaratuba, PR. Dada à complexa interação entre os fatores bióticos e abióticos dos manguezais, empregou-se o estudo da eficiência do uso d...

Wood has been widely employed to manufacture cultural objects in the state of Santa Catarina, in 19 th century Brazil. The present study examined historical buildings and machinery, mills, wagons, carriages, furniture, farming implements and everyday objects that are part of the collection of the Museu Nacional de Imigração e Colonização (National...

Wood has been widely employed to manufacture cultural objects in the state of Santa Catarina, in 19th century Brazil. The present study examined historical buildings and machinery, mills, wagons, carriages, furniture, farming implements and everyday objects that are part of the collection of the Museu Nacional de Imigração e Colonização (National M...

This study compared the morphological and anatomical variations of the leaves of four shade-tolerant tree species Allophylus edulis (St.-Hil.) Radlk (Sapindaceae), Casearia sylvestris Sw. (Salicaceae), Cupania vernalis Cambess. (Sapindaceae) and Luehea divaricata Mart. (Malvaceae) from a fragment of Araucaria forest in two developmental stages. Mor...

Rhipsalis, the largest genus of tribe Rhipsalideae (Cactaceae), comprises 37 characteristically epiphytic species and a few rupicolous ones. It is well represented in the Brazilian flora, and its center of diversity is in wet tropical and subtropical forests of southeastern Brazil. Rhipsalis dissimilis (G.A. Lindberg) forma epiphyllanthoides and R....

This study compared the morphological and anatomical variations of the leaves of four shade-tolerant tree species Allophylus edulis (St.-Hil.) Radlk (Sapindaceae), Casearia sylvestris Sw. (Salicaceae), Cupania vernalis Cambess. (Sapindaceae) and Luehea divaricata Mart. (Malvaceae) from a fragment of Araucaria forest in two developmental stages. Mor...

Serapilheira é a camada formada pela deposição e pelo acúmulo do material proveniente das espécies vegetais e representa a maior contribuição da entrada de nutrientes nos ecossistemas de manguezal. As variações encontradas na produção desse material são resultantes da ação de diferentes fatores ambientais e intrínsecos das espécies. Este estudo tev...

Serapilheira é a camada formada pela deposição e pelo acúmulo do material proveniente das espécies vegetais e representa a maior contribuição da entrada de nutrientes nos ecossistemas de manguezal. As variações encontradas na produção desse material são resultantes da ação de diferentes fatores ambientais e intrínsecos das espécies. Este estudo tev...

The goal of the present study was the anatomical analysis of the species belonging to the subgenus Erythrorhipsalis aiming to identify diagnostic features and potential synapomorphies. Six out of the nine species were collected and processed for anatomical study. The species have uniseriate or multisseriate epidermis; parallelocytic stomata; collen...

Studies of angiosperms have associated the mechanical design of petioles with leaf form and the occurrence of simple and compound leaves. Petiole anatomy can respond differently, according to different leaf forms, to maintain plant architecture. The present study evaluated whether this premise applies to fern leaf architecture. Leaves of five ferns...

Sclerophylly, a morphological trait that defines coriaceous and hard leaves, is presently accepted as a non-specific response to environments with acting multiple stresses. In mangroves, features such as flooded and unconsolidated soil, low availability of oxygen, and high salinity characterize this stressful environment. From 2 mangroves areas in...

Leaf nutrient concentration and the nutrient use efficiency (NUE) were compared among five canopy tree species of a subtropical forest in southern Brazil. Healthy and fully expanded leaves were collected under similar conditions such as canopy position and light exposure. Leaves were dried and ground, the macronutrients (N - Nitrogen, P - Phosphoru...

This study evaluated the scape morphology and anatomy of Schoenoplectus californicus (C.A. Mey.) Soják, to understand the organization of tissues and structures involved on the vertical architecture of this organ. Thirty scapes were collected in Cachoeira River, Antonina, Paraná, to evaluate quantitative morphological and anatomical traits. Among t...

Podostemaceae is the largest family of strictly aquatic flowering plants, growing in tropical and subtropical rivers attached to rock river-rapids and waterfalls. The habitat destruction and its high level of endemism make this group relevant to conservation and management of biodiversity. This study evaluated the genetic diversity and population s...

Coffee plants were subjected to heat stress (37°C) and compared with control plants (24°C). Cell wall polysaccharides were extracted using water (W), EDTA (E) and 4M NaOH (H30 and H70). In addition, monolignols were analyzed, and the leaves were observed by microscopy. Plants under heat stress accumulated higher contents of arabinose and galactose...

ResumoO presente estudo teve por objetivo caracterizar a estrutura de dois trechos de Floresta Ombrófila Densa Aluvial localizados no município de Guaraqueçaba, Paraná. Os aspectos vegetacionais foram relacionados a características ambientais como solos, relevo e profundidade do lençol freático. Para o levantamento fitossociológico foram alocadas 1...

In the present study, we characterize the structure in two sites of Dense Alluvial Ombrophilous Forest, Guaraqueçaba, State of Paraná, Brazil. Aspects of the vegetation were associated to environmental conditions such as soils, topography and water table depth. For the phytosociological study, 16 plots of 10 x 10 m were established in each site and...

Light availability is an important factor determining plant morphology and niche occupation in tropical forests. In this study, we tested whether seedlings that differ in shade tolerance also differ in the way they partition their resources among stems and leaves. The morphology of the first pair of leaves (eophylls), cotyledons, stems, and seeds o...

The species of Piper are of great medical interest. They, however, represent considerable taxonomic challenge, probably due to the small size of floral parts. Therefore, the external morphology of the leaf has been used as diagnostic features in the taxonomy of the group. However, there are few anatomical studies on species of this genus. In this s...

Previous studies have uncovered considerable variability in foliar morphology and anatomy for Miconia sellowiana in different types of vegetation (Grassland, Montane Atlantic forest, Upper Montane Atlantic forest and Araucaria Pine forest). Although such variability could be due to phenotypic plasticity, an alternative explanation for this phenomen...

Resumo O objetivo deste trabalho foi avaliar o crescimento e a sobrevivência de Schinus terebinthifolius, Mimosa scabrella, Podocarpus lambertii e Luehea divaricata plantadas em áreas com diferentes graus de sucessão, nas margens do Reservatório do Iraí - PR. S. terebinthifolius apresentou uma superioridade de crescimento entre os indivíduos que e...

http://dx.doi.org/10.5007/2175-7925.2012v25n1p1 Domácias são cavidades encontradas na superfície foliar que proporcionam condições físicas para a existência de artrópodes, caracterizando uma relação mutualística. Apesar da importância ecológica das domácias, poucos estudos descrevem sua estrutura e relação com o ambiente. Miconia sellowiana aprese...

Aquatic macrophytes show great phenotypic plasticity and are able to occupy environments with different physicochemical conditions. The present study aimed to characterize morphology and anatomical structure of the pondweed, Potamogeton polygonus Cham. and Schltdl., and to identify adaptive modifications of the plant in lotic and lentic environment...

In recent decades, the human activities caused the overall decline in biodiversity and, to understand the impacts on plant communities, it is necessary to analyze the regenerative potential of the forest. Studies on the floristic composition and the structure of the guild of seedlings in different succession stages and historical conditions can des...

Resumo O objetivo deste trabalho foi verificar a influência de diferentes condições de luminosidade presentes em folhas de Mimosa scabrella Benthan plantadas em áreas com diferentes graus de sucessão nas margens do Reservatório Iraí, PR. Foram avaliados aspectos morfológicos (área foliar, peso seco, área foliar específica), anatômicos (espessuras d...

Background/Question/Methods Background: Resource availability, such as light, can be an important factor determining plant morphology and niche occupation in tropical and subtropical forests, since species respond to environmental gradients differing in resources investment. Question: In this study we tested whether seedlings that differ in sha...

Background/Question/Methods Environmental degradation, mainly by anthropogenic influences, affects the dynamics of species in different environments, including mangroves. Increasing urbanization, erosion, pollution, domestic and industrial accidents, and environmental contamination are several examples that contribute to its destructive process....

In recent decades, the human activities caused the overall decline in biodiversity and, to understand the impacts on plant communities, it is necessary to analyze the regenerative potential of the forest. Studies on the floristic composition and the structure of the guild of seedlings in different succession stages and historical conditions can des...

As características morfológicas e anatômicas foliares de espécies vegetais são importantes indicadores de sua ecologia e de seus hábitats. Objetivou-se caracterizar a plasticidade fenotípica de Schinus terebinthifolius Raddi em diferentes condições de saturação hídrica. As mudas foram produzidas em tubetes plásticos, permanecendo em estufa por quat...

Red mangrove (Rhizophora mangle) dominates tropical tidal areas along both sides of the Atlantic, yet little is known about its degree of population differentiation over large geographical scales. Information on the genetic variability of mangrove species along the Brazilian coast is important not only for understanding the recent gene flow dynamic...

This study aims to evaluate the influence of light conditions at different stages of succession in leaves of Mimosa scabrella Benthan planted in Iraí's water reservoir margins, State of Paraná, Brazil. We evaluated leaf morphology (area, dry weight, specific area), anatomy (cuticle thickness, adaxial epidermis, palisade parenchyma, parenchyma spong...

The objective of this study was to evaluate the growth and survival of Schinus terebinthifolius, Mimosa scabrella, Podocarpus lambertii and Luehea divaricata planted in two areas with different degrees of succession, in Iraí's water reservoir margins, State of Paraná, Brazil. S. terebinthifolius showed a superiority of the individuals who were in t...

The morphological and anatomical leaf characteristics plant species are important indicators of their ecology and habitat The purpose of this work was to characterize the phenotypic plasticity of Schinus terebinthifolius Raddi in different conditions of water saturation. The seedlings were grown in plastic tubets, kept in a greenhouse for four mont...

This study aimed to assess the influence of light on the leaf structure of Schinus terebinthifolius implanted in two areas with different degrees of succession on the banks of the Iraí Reservoir, PR. Morphological (leaf area, dry weight, specific leaf area, and stomatal density), anatomical (cuticle thickness, adaxial epidermis, palisade and spongy...

Resumo Este trabalho verificou a influência das condições ambientais na estrutura do xilema secundário da espécie Caryocar brasiliense Camb. (pequizeiro) através de um estudo anatômico comparado do lenho de árvores procedentes de fisionomias de cerradão e cerrado s.s., no município de Santa Rita do Passa Quatro, SP. As características do lenho fora...

The morphology and anatomy of stem segments of 2 species of Lepismium (Cactaceae), which grow naturally in the Araucaria forest understory, in the state of Paraná, Brazil, are compared. The goal of this study was to identify morphological traits adapted to epiphytism and to the low light condition of the studied environment. Twenty–five segments of...

The morphology and anatomy of stem segments of 2 species of Lepismium (Cactaceae), which grow naturally in the Araucaria forest understory, in the state of Paraná, Brazil, are compared. The goal of this study was to identify morphological traits adapted to epiphytism and to the low light condition of the studied environment. Twenty-fi ve segments o...

The present study assessed the nutrient depuration capacity of Polygonum hydropiperoides by cultivating plants hydroponically in water obtained from fish ponds. The experiment simulated varying degrees of nutrient enhancement by using pond water enriched with nitrogen (N) and phosphorus (P) at the following concentrations (in mg L -1): 0-0 (N cP c)...

For the recovery of a degraded area to occur in a satisfactory way, it is essential to elucidate the ecology of native tree species. This study aimed to evaluate the morpho-anatomical response of P. lambertii after 18 months of deployment in different conditions of light, considering as a factor of change areas with different degrees of succession...

Anisophylly can be defined as the unequal growth of two leaves in a pair from a single branch node. It occurs in several opposite-leafed taxa, even in those with apparently no phylogenetic proximity. We have intended here to classify and describe the anisophylly found in ten species of Melastomataceae from two genera, Leandra and Miconia, using mor...

Miconia sellowiana (Melastomataceae), a widespread species occurring in Araucaria Forest, Montane Dense Forest and Upper Montane Forest (Paraná state, Brazil) has a highly variable foliar morphology. This study investigated whether the wood anatomy follows this pattern influenced by environmental conditions. Samples of six individuals per area were...

We present a comparative analysis on the anatomy of roots, shoots, and leaves of three epiphytic Pleiochiton species and a species of the closely related Clidemia. The four species share similar anatomical characters, suggesting adaptations toward water storage in all the structures and, consequently, to the water-limited epiphytic habitat. All fou...

Seedlings represent one of the most fragile stages in the life cycle of plants and they depend on morpho-functional adaptations which may favor their establishment in adverse environmental conditions. We analyzed the eophyllar and cotyledonar anatomy of four seedling types in the Restinga Forest, Ilha do Mel, Paraná, (PEF: Ilex pseudobuxus-Aquifoli...

Variations in the leaf structure of Mikania glomerata Spreng. were investigated in distinct light regimes (high light, half-shade; shade; 100%, 26,4% and 13,8% of light intensity, respectively) associated to different vegetation types in the Araucaria Forest, Municipality of Castro, PR (25°50'64"S and 49°43'69"W). This study was designed to orient...