hydrilla

简明释义

英[haɪˈdrɪlə]美[haɪˈdrɪlə]

n. 软水草（原产于亚洲，20世纪60年代引入美国）

英英释义

单词用法

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例句

1.Hydrilla was found in Asia and was introduced to the United States in the 1960s.

软水草原产于亚洲，并在20世纪60年代引入美国。

2.The influence of the free floating macrophyte Hydrocharis dubia on the growth of the submerged macrophyte Hydrilla verticillata was studied by using different coverage of H.

通过黑藻和不同覆盖度水鳖的组合，研究了漂浮植物对沉水植物的影响。

3.The influence of the free floating macrophyte Hydrocharis dubia on the growth of the submerged macrophyte Hydrilla verticillata was studied by using different coverage of H.

通过黑藻和不同覆盖度水鳖的组合，研究了漂浮植物对沉水植物的影响。

4.During the summer, the growth of hydrilla can lead to oxygen depletion in the water.

夏季，水草的生长可能导致水中的氧气耗尽。

5.The lake was overrun with hydrilla, making it difficult for local fishermen to find their usual spots.

湖泊被水草淹没，导致当地渔民难以找到他们常去的钓鱼点。

6.The park management decided to use herbicides to control the spread of hydrilla in the pond.

公园管理部门决定使用除草剂来控制池塘中水草的扩散。

7.Boaters need to be cautious of hydrilla as it can clog their engines.

船员需要小心水草，因为它可能会堵塞他们的引擎。

8.Invasive species like hydrilla can disrupt the ecosystem by outcompeting native plants.

像水草这样的入侵物种会通过与本土植物竞争而破坏生态系统。

作文

In the world of aquatic plants, few species are as intriguing and controversial as hydrilla. This submerged aquatic plant, scientifically known as *Hydrilla verticillata*, is native to Africa and Asia but has spread to various parts of the world, particularly in North America. Understanding hydrilla is essential for environmentalists, ecologists, and anyone interested in aquatic ecosystems. The rapid growth of hydrilla can be both a blessing and a curse. On one hand, it provides habitat and food for a variety of aquatic organisms, including fish, invertebrates, and birds. The dense mats created by hydrilla can promote biodiversity by offering shelter and breeding grounds. For instance, many fish species thrive in areas where hydrilla is abundant, as it provides cover from predators and a rich source of nutrients. However, the aggressive nature of hydrilla can lead to ecological imbalances. When introduced to non-native environments, it can outcompete local flora for sunlight and nutrients, leading to a decline in native plant species. This phenomenon is particularly concerning in freshwater ecosystems, where hydrilla can form dense mats that block sunlight from reaching other aquatic plants, disrupting the entire food web. Moreover, the overgrowth of hydrilla can hinder recreational activities such as fishing, boating, and swimming, leading to economic implications for communities that rely on these activities. Management of hydrilla is a complex issue. Various methods have been employed to control its spread, including mechanical removal, herbicides, and biological control agents. Each method comes with its own set of challenges and potential side effects. For example, while herbicides can effectively reduce hydrilla populations, they may also harm non-target species and disrupt the ecosystem. Mechanical removal can be labor-intensive and costly, and if not done properly, it may lead to the fragmentation of hydrilla, allowing it to spread even further. Biological control, which involves using natural predators or pathogens to manage hydrilla, is an area of ongoing research. Scientists are investigating the potential of specific insects and fungi that target hydrilla without adversely affecting other plant species. This approach holds promise for sustainable management, but it requires extensive study to ensure that introducing a new species does not create additional ecological problems. Public awareness and education are crucial in managing hydrilla effectively. Many people may not realize the impact of their actions on the spread of this invasive plant. For example, boats and fishing gear can inadvertently transport hydrilla fragments from one water body to another, exacerbating the problem. By promoting responsible practices among recreational users and providing information about the ecological significance of hydrilla, we can foster a more informed public that contributes to conservation efforts. In conclusion, hydrilla is a fascinating yet challenging species that highlights the complexities of managing invasive plants in aquatic ecosystems. While it offers benefits to certain wildlife, its potential to disrupt local ecosystems cannot be ignored. Through careful management, research, and public education, we can strive to find a balance that preserves biodiversity while mitigating the negative impacts of hydrilla on our waterways.

在水生植物的世界中，少有物种像hydrilla一样引人入胜且具争议。这种科学名称为*Hydrilla verticillata*的水下植物，原产于非洲和亚洲，但已传播到世界各地，特别是在北美。理解hydrilla对环境保护者、生态学家以及任何对水生生态系统感兴趣的人来说都是至关重要的。hydrilla的快速生长既可以是福音，也可能是诅咒。一方面，它为各种水生生物提供了栖息地和食物，包括鱼类、无脊椎动物和鸟类。hydrilla形成的密集水草丛可以通过提供庇护所和繁殖场所来促进生物多样性。例如，许多鱼类物种在hydrilla丰富的地方茁壮成长，因为它为它们提供了来自捕食者的掩护和丰富的营养来源。然而，hydrilla的侵略性特征可能导致生态失衡。当引入到非本土环境时，它可能会与当地植物争夺阳光和养分，导致本土植物种群的下降。这种现象在淡水生态系统中特别令人担忧，因为hydrilla可以形成密集的水草丛，阻碍阳光照射到其他水生植物上，从而破坏整个食物链。此外，hydrilla的过度生长可能会妨碍钓鱼、划船和游泳等休闲活动，给依赖这些活动的社区带来经济影响。管理hydrilla是一个复杂的问题。已经采用各种方法来控制其传播，包括机械去除、除草剂和生物控制剂。每种方法都有其自身的一系列挑战和潜在副作用。例如，尽管除草剂可以有效减少hydrilla的数量，但它们也可能对非目标物种造成伤害并干扰生态系统。机械去除可能劳动密集且成本高昂，如果处理不当，可能导致hydrilla的碎片化，从而使其传播得更远。生物控制，即利用自然捕食者或病原体来管理hydrilla，是一个正在进行的研究领域。科学家们正在研究特定昆虫和真菌的潜力，这些生物能够针对hydrilla而不对其他植物物种产生不利影响。这种方法在可持续管理方面具有前景，但需要广泛研究以确保引入新物种不会造成额外的生态问题。公众意识和教育对于有效管理hydrilla至关重要。许多人可能没有意识到他们的行为对这种入侵植物传播的影响。例如，船只和钓鱼装备可能无意中将hydrilla碎片从一个水体运输到另一个水体，加剧了问题。通过在休闲用户中推广负责任的做法并提供关于hydrilla生态重要性的信息，我们可以培养一个更有知识的公众，为保护工作贡献力量。总之，hydrilla是一种迷人而又具有挑战性的物种，突显了在水生生态系统中管理入侵植物的复杂性。虽然它为某些野生动物提供了好处，但它对当地生态系统的破坏潜力不容忽视。通过仔细的管理、研究和公众教育，我们可以努力找到一种平衡，既保护生物多样性，又减轻hydrilla对我们水域的负面影响。