UF/IFAS finds backyards have more plant species than imagined

Research Reveals Hidden Plant Diversity in Urban Landscapes

A recent study conducted by the University of Florida has shed light on the significant plant diversity present in urban landscapes. This newfound diversity has sparked interest among scientists who are eager to explore the potential benefits it may offer. The research, supervised by Basil Iannone, highlighted the importance of plant diversity in the face of declining biological diversity worldwide. Kacey Russo, an undergraduate student from the UF/IFAS College of Agricultural and Life Sciences, led the study.

Potential Benefits of Urban Plant Diversity

Contrary to popular belief, residential landscapes have the potential to support high biodiversity. While some individuals prefer maintaining a single species turfgrass lawn, lawns with high biodiversity can contribute to urban ecosystems by providing habitats for wildlife such as birds and pollinators. This is especially crucial as urbanization continues to expand, resulting in the loss of natural areas in Florida.

Advantages of Lawn Diversity

Many lawns today consist of a single variety of turfgrass species, which makes them more susceptible to pests and diseases due to their genetic uniformity. In contrast, lawns with greater diversity require fewer resources for maintenance, including water and fertilizer.

Research Methodology and Findings

The study examined 30 yards in four Gainesville neighborhoods. In an initial survey, researchers identified over 500 plant species, and in a follow-up survey, they found 173 species. This revealed a total of nearly 700 different types of plants within just 30 yards. The researchers compared the actual number of species present in the yards to the owners’ perceptions of the plant diversity.

Types of Plants Found

Out of the 500-plus plant species discovered, 360 were classified as “non-lawn species,” 104 were lawn species, and 36 grew in both lawns and non-lawn areas. The presence of numerous plant species other than grasses in lawns is often overlooked due to their small size and being frequently stepped on.

Perceptions vs. Reality

The study revealed a discrepancy between homeowners’ perceptions and the actual number of plant species in their yards. While most residents believed they had 10 to 20 plant species in their front yard, researchers found up to 50 lawn species and 37 non-lawn species in these areas. Similarly, in backyards, homeowners estimated 20 to 40 plant species, while researchers identified up to 47 lawn species and 50 non-lawn species.

Native Biodiversity in Florida Lawns

Over half of the plant species found in lawns were native to Florida, indicating the potential for Florida lawns to support native biodiversity. Russo emphasized the importance of appreciating and supporting the existing native biodiversity in residential landscapes to promote their health.

Sustainable Development Goals (SDGs)

1. Goal 15: Life on Land – The research highlights the significance of plant diversity in combating the decline of biological diversity worldwide.
2. Goal 11: Sustainable Cities and Communities – Urban landscapes can contribute to high biodiversity and support wildlife, aligning with the goal of creating sustainable cities.
3. Goal 12: Responsible Consumption and Production – Lawns with greater diversity require fewer resources for maintenance, promoting responsible consumption and production.

Conclusion

The University of Florida’s research has uncovered a hidden world of plant diversity within urban landscapes. This newfound knowledge emphasizes the importance of preserving and appreciating the native biodiversity that already exists in residential yards. By doing so, individuals can contribute to the achievement of the Sustainable Development Goals, particularly those related to biodiversity conservation, sustainable cities, and responsible consumption and production.

SDGs, Targets, and Indicators Analysis

1. Which SDGs are addressed or connected to the issues highlighted in the article?

• SDG 15: Life on Land – The article discusses the importance of plant diversity and its decline in landscapes around the world.
• SDG 11: Sustainable Cities and Communities – The article highlights the potential benefits of plant diversity in urban landscapes and the need to preserve natural areas in the face of urbanization.

2. What specific targets under those SDGs can be identified based on the article’s content?

• SDG 15.5: Take urgent and significant action to reduce the degradation of natural habitats, halt the loss of biodiversity, and protect and prevent the extinction of threatened species.
• SDG 11.7: By 2030, provide universal access to safe, inclusive, and accessible, green and public spaces, particularly for women and children, older persons, and persons with disabilities.

3. Are there any indicators mentioned or implied in the article that can be used to measure progress towards the identified targets?

• Number of plant species in urban landscapes – This indicator can be used to measure progress towards SDG 15.5 by assessing the diversity and preservation of plant species in different habitats.
• Percentage of homeowners aware of the plant species in their yards – This indicator can provide insights into public awareness and appreciation of plant diversity, contributing to SDG 11.7.

Table: SDGs, Targets, and Indicators

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Fuente: mainstreetdailynews.com

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